---
title: "Wifi Door Sensor — $77K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/wifi-door-sensor"
last_updated: "2026-08-06T02:04:17.811Z"
locale: en
meta:
  description: "Niche score 50/100 · $77K/yr market · 144K searches/yr · $26.59 avg price. A small market ($77K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · $77K/yr market · 144K searches/yr · $26.59 avg price. A small market ($77K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Wifi Door Sensor — $77K/yr Amazon US Niche (2026) - Flapen"
---

# **wifi door sensor**

**Worth a look**

Shows a sweet-spot price point ($26.59 avg), but a small market ($77K/yr) keeps it on the watch list.

Market size 19Growth 39Conversion 25Competition 65Returns 31Price range 87Avg price 95Brand share 72Review moat 27Quality gap 80

**Avg price**

**Incredible****$26.59**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$10.25–$56.81**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****62%**

top-5 brand share — brands hold most of the demand

**Competition**

**Good****46%**

top-5 click share — leaders hold, buyers still browse

**Growth**

**Okay****+11.6%**

90-day search growth — must beat 0% to launch

**Returns**

**Okay****4.5%**

return rate — above 5% kills the launch gate

**Review moat**

**Okay****3,829.3**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Okay****2.0%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Bad****$77K**

$77K/yr · 144K searches

According to Flapen's Amazon United States niche tracking, wifi door sensor is a $77K/yr Amazon United States market (144K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **wifi door sensor market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$133K–$160K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#105**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**93%**</dd>

<dt>**Out of stock**</dt><dd>**3.2%**</dd>

<dt>**Avg brand age**</dt><dd>**42 months**</dd>

<dt>**Avg seller age**</dt><dd>**156 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **▲rising

**Sellers**

**28**

**Top-5 brand share**

**62%**

Top 20: 100%

**Top-5 click share**

**46%**

Top 20: 92%

**Open market**

**33%**

- Tapo31% - Gaoducash9% - Ring9% - Satisure6% - SanJie6% - SENCKIT5%

## **Demand**

Weekly Amazon search volume, last 46 weeks — +11.6% search growth over the last 90 days.

30K20KSpike '25Black Friday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/us/electronics/wifi-door-sensor/trend)

## **Top wifi door sensor search terms**

- **smart door sensor**19K/yr+24.5%1.0% conv. - **wifi door sensor**22K/yr+1.2%1.4% conv. - **tapo door sensor**20K/yr+9.4%7.2% conv. - **door sensors that alert your phone**17K/yr+17.5%1.4% conv. - **smart door alarm**6K/yr+61.8%0.7% conv. - **door sensor that alerts your phone**12K/yr-10.2%1.1% conv. - **alexa door sensor**11K/yr+0.8%1.9% conv. - **door alarm with app**6K/yr+44.7%1.9% conv. - **wifi door alarm**5K/yr+5.8%1.9% conv. - **google home door sensor**4K/yr+49.9%0.5% conv. [**All search terms **](https://flapen.com/research/us/electronics/wifi-door-sensor/search-terms)

## **Top wifi door sensor products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$4K10%$8K15%$12K20%$15K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Tapo Door Sensor Mini Requires Tapo Hub Long Battery Life w/Sub-1G Low-Power Wireless Protocol Contact Sensor 15mm Wide Gap Allowed Real-Time Notification Smart Action (T110)](https://m.media-amazon.com/images/I/41LXnpeiDrL.jpg)**Tapo Door Sensor Mini Requires Tapo Hub Long Battery Life w/Sub-1G Low-Power Wireless Protocol Contact Sensor 15mm Wide Gap Allowed Real-Time Notification Smart Action (T110)**Tapo**$14.80**4.6★753 rev](https://www.amazon.com/dp/B0BYH576YN) [2![Tapo Door Sensor Starter KIT Matter Compatible 3X Smart Door Window Contact Sensor and 1x Smart Hub with Built-in Chime Smart Automation Real-Time Notification T31 KIT](https://m.media-amazon.com/images/I/413y13wkFvL.jpg)**Tapo Door Sensor Starter KIT Matter Compatible 3X Smart Door Window Contact Sensor and 1x Smart Hub with Built-in Chime Smart Automation Real-Time Notification T31 KIT**Tapo**$49.28**4.4★266 rev](https://www.amazon.com/dp/B0F5LYZRVL) [3![WiFi Door Sensor Chime Smart Door Open Alert Window Sensor for Business/Home/Kids Safety Real-Time App Notification 500ft Range 32 Melodies 5 Volume Levels Window Contact Sensor Alarm Kit](https://m.media-amazon.com/images/I/41LekEEyY4L.jpg)**WiFi Door Sensor Chime Smart Door Open Alert Window Sensor for Business/Home/Kids Safety Real-Time App Notification 500ft Range 32 Melodies 5 Volume Levels Window Contact Sensor Alarm Kit**Satisure**$36.34**4.3★203 rev](https://www.amazon.com/dp/B0FQJ3P1F1) [4![Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required](https://m.media-amazon.com/images/I/21A9q6tHpWL.jpg)**Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required**Ring**$27.22**4.7★29,315 rev](https://www.amazon.com/dp/B07ZB2RNTW) [5![Aqara Zigbee Door and Window Sensor 3 Pack Wireless Mini Contact Sensor Home Automation Requires Aqara Hub Zigbee Connection Kid Safety Compatible with Apple HomeKit Alexa Works with IFTTT](https://m.media-amazon.com/images/I/41vaGrGLtOL.jpg)**Aqara Zigbee Door and Window Sensor 3 Pack Wireless Mini Contact Sensor Home Automation Requires Aqara Hub Zigbee Connection Kid Safety Compatible with Apple HomeKit Alexa Works with IFTTT**Aqara**$39.35**4.4★7,510 rev](https://www.amazon.com/dp/B09TP7VMKB)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![4 Pack Zigbee Door Sensor Mini Smart Contact Sensors for Doors Home Automation Compatible with SmartThings Alexa Home Assistant Hubitat Aeotec and Homey (Zigbee Hub Required)](https://m.media-amazon.com/images/I/31O1V9jYuOL.jpg)**4 Pack Zigbee Door Sensor Mini Smart Contact Sensors for Doors Home Automation Compatible with SmartThings Alexa Home Assistant Hubitat Aeotec and Homey (Zigbee Hub Required)**GRSICO**$37.56**46 rev4mo ago](https://www.amazon.com/dp/B0FZJFK7L1) [![WiFi Door Chime SanJie Door Sensor Alarm with Phone Notifications for Kids Safety & Dementia Care Door Open Alert for Home Security and Business Use 20 Chimes 5 Volume Levels 2.4GHz Only](https://m.media-amazon.com/images/I/41WK6gn2R2L.jpg)**WiFi Door Chime SanJie Door Sensor Alarm with Phone Notifications for Kids Safety & Dementia Care Door Open Alert for Home Security and Business Use 20 Chimes 5 Volume Levels 2.4GHz Only**SanJie**$34.11**126 rev4mo ago](https://www.amazon.com/dp/B0GQ78WDS1) [![Door Chime Smart WiFi Door Sensor Chime Window Sensor Alarm for Business/Kids Safety/Home Security Alert Your Phone 500 FT Range 32 Ringtones 5 Adjustable Volumes Free App Notifications](https://m.media-amazon.com/images/I/41kDoKnzp7L.jpg)**Door Chime Smart WiFi Door Sensor Chime Window Sensor Alarm for Business/Kids Safety/Home Security Alert Your Phone 500 FT Range 32 Ringtones 5 Adjustable Volumes Free App Notifications**PHYSEN**$27.50**796 rev4mo ago](https://www.amazon.com/dp/B0GPW2KHRX) [![SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor Open/Close Monitoring Tamper Proof Phone Alert Home Security Alarm Works with Alexa Home Assistant & SmartThings 1-Pack](https://m.media-amazon.com/images/I/31WHkTvjp5L.jpg)**SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor Open/Close Monitoring Tamper Proof Phone Alert Home Security Alarm Works with Alexa Home Assistant & SmartThings 1-Pack**SONOFF**$13.51**142 rev5mo ago](https://www.amazon.com/dp/B0GKFB3XCL) [![TECKNET Door Alarms When Opened 2.4G WiFi Smart Door Sensor Alarm & Chime App Alerts Door Alarms for Kids Safety Wireless Window Alarms for Home Security Systems for House Pool Sheds 2 PCS](https://m.media-amazon.com/images/I/31T9EY9NJtL.jpg)**TECKNET Door Alarms When Opened 2.4G WiFi Smart Door Sensor Alarm & Chime App Alerts Door Alarms for Kids Safety Wireless Window Alarms for Home Security Systems for House Pool Sheds 2 PCS**TECKNET**$24.32**149 rev7mo ago](https://www.amazon.com/dp/B0G5XHFWVN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Door Chime Smart WiFi Door Sensor Chime Window Sensor Alarm for Business/Kids Safety/Home Security Alert Your Phone 500 FT Range 32 Ringtones 5 Adjustable Volumes Free App Notifications](https://m.media-amazon.com/images/I/41kDoKnzp7L.jpg)**Door Chime Smart WiFi Door Sensor Chime Window Sensor Alarm for Business/Kids Safety/Home Security Alert Your Phone 500 FT Range 32 Ringtones 5 Adjustable Volumes Free App Notifications**PHYSEN**$27.50**4.4★**▲ 286%**](https://www.amazon.com/dp/B0GPW2KHRX) [![WiFi Door Chime SanJie Door Sensor Alarm with Phone Notifications for Kids Safety & Dementia Care Door Open Alert for Home Security and Business Use 20 Chimes 5 Volume Levels 2.4GHz Only](https://m.media-amazon.com/images/I/41WK6gn2R2L.jpg)**WiFi Door Chime SanJie Door Sensor Alarm with Phone Notifications for Kids Safety & Dementia Care Door Open Alert for Home Security and Business Use 20 Chimes 5 Volume Levels 2.4GHz Only**SanJie**$34.11**4.3★**▲ 282%**](https://www.amazon.com/dp/B0GQ78WDS1) [![SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor Open/Close Monitoring Tamper Proof Phone Alert Home Security Alarm Works with Alexa Home Assistant & SmartThings 1-Pack](https://m.media-amazon.com/images/I/31WHkTvjp5L.jpg)**SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor Open/Close Monitoring Tamper Proof Phone Alert Home Security Alarm Works with Alexa Home Assistant & SmartThings 1-Pack**SONOFF**$13.51**4.2★**▲ 199%**](https://www.amazon.com/dp/B0GKFB3XCL) [![TECKNET Door Alarms When Opened 2.4G WiFi Smart Door Sensor Alarm & Chime App Alerts Door Alarms for Kids Safety Wireless Window Alarms for Home Security Systems for House Pool Sheds 2 PCS](https://m.media-amazon.com/images/I/31T9EY9NJtL.jpg)**TECKNET Door Alarms When Opened 2.4G WiFi Smart Door Sensor Alarm & Chime App Alerts Door Alarms for Kids Safety Wireless Window Alarms for Home Security Systems for House Pool Sheds 2 PCS**TECKNET**$24.32**4.0★**▲ 197%**](https://www.amazon.com/dp/B0G5XHFWVN) [![WiFi Door Sensor Chime Smart Door Open Alert Window Sensor for Business/Home/Kids Safety Real-Time App Notification 500ft Range 32 Melodies 5 Volume Levels Window Contact Sensor Alarm Kit](https://m.media-amazon.com/images/I/41LekEEyY4L.jpg)**WiFi Door Sensor Chime Smart Door Open Alert Window Sensor for Business/Home/Kids Safety Real-Time App Notification 500ft Range 32 Melodies 5 Volume Levels Window Contact Sensor Alarm Kit**Satisure**$36.34**4.3★**▲ 122%**](https://www.amazon.com/dp/B0FQJ3P1F1)

**~~View all trending →~~**

## **What buyers say about wifi door sensor**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Assembly/Installation**17%

*“easy to mount and works flawlessly”*

**Quality-Overall**10%

*“Price to quality is fair”*

**Value For Money**8%

*“Definitely worth the price”*

**Ease Of Use**7%

*“Easy Peasy”*

**Connectivity-Overall**6%

*“Connectivity is great”*

**Efficiency**5%

*“Works great and gives me peace of mind”*

**Advertised Vs Actual Product**5%

*“Works as advertised”*

**Security**5%

*“Good security system”*

**Sensor**4%

*“Good sensor and easy setup”*

**Noise Level**4%

*“Works great loud and effective”*

### **What buyers complain about **

**Functionality-Overall**13%

*“none works properly”*

**Connectivity-Overall**13%

*“Hard to connect”*

**Durability**10%

*“It broke after just a month or two”*

**Battery Life**6%

*“Battery life is terrible”*

**Quality-Overall**5%

*“Poor quality build”*

**Noise Level**4%

*“Loud Chime”*

**Compatibility-Overall**4%

*“Compatibility issues”*

**Instructions/User Manual/Troubleshooting**3%

*“Terrible instructions and when I went to the video using the QR code it did not have any useful instructions in audio and the only visible instructions were in light blue text so you couldnt even read it easily”*

**Adhesion/Stickiness**3%

*“The adhesive didnt hold up long it was poor quality”*

**Assembly/Installation**3%

*“Could not get this set up and working”*

### **Top return reasons **

**Connectivity-Overall**17%

**Functionality-Overall**15%

**Compatibility-Overall**14%

**Alarm/Timer Accuracy**13%

**Advertised Vs Actual Product**7%

**Value For Money**6%

**Size-Overall**5%

**Defective Material/Parts**4%

**Assembly/Installation**2%

**Noise Level**2%

## **Common questions**

<dl>

<dt>**Is wifi door sensor profitable to sell on Amazon United States?**</dt><dd>The niche generates $77K/yr across 27 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is +11.6%. Flapen's verdict: Worth a look (50/100).</dd>

<dt>**How competitive is the wifi door sensor niche?**</dt><dd>18 brands and 28 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 62% of demand.</dd>

<dt>**What do buyers complain about in wifi door sensor?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Connectivity-Overall, Durability. The return rate is 4.5%.</dd>

<dt>**What does it cost to enter the wifi door sensor niche?**</dt><dd>Listings span $10.25–$56.81; the average listing price is $26.59 (sweet spot $15–$100). The average incumbent carries 3,829 reviews — the moat a new listing must climb.</dd>

</dl>

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