wifi door sensor
Worth a lookShows a sweet-spot price point ($26.59 avg), but a small market ($77K/yr) keeps it on the watch list.
Avg price
Incredible$26.59avg listing price — sweet spot $15–$100
Price range
Great$10.25–$56.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Good62%top-5 brand share — brands hold most of the demand
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Growth
Okay+11.6%90-day search growth — must beat 0% to launch
Returns
Okay4.5%return rate — above 5% kills the launch gate
Review moat
Okay3,829.3avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.0%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
wifi door sensor market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $133K–$160K
- units × avg price
- Conversion rate
- 2.0%
- Avg BSR
- #105
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 3.2%
- Avg brand age
- 42 months
- Avg seller age
- 156 days
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.Top wifi door sensor search terms
- smart door sensor19K/yr
- wifi door sensor22K/yr
- tapo door sensor20K/yr
- door sensors that alert your phone17K/yr
- smart door alarm6K/yr
- door sensor that alerts your phone12K/yr
- alexa door sensor11K/yr
- door alarm with app6K/yr
- wifi door alarm5K/yr
- google home door sensor4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$14.804.6★753 rev
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$49.284.4★266 rev
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$36.344.3★203 rev
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$27.224.7★29,315 rev
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$39.354.4★7,510 rev
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)
GRSICO$37.5646 rev
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$34.11126 rev
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$27.50796 rev
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$13.51142 rev
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$24.32149 rev
Trending
90-day click momentumDoor 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$27.504.4★
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$34.114.3★
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$13.514.2★
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$24.324.0★
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$36.344.3★
What buyers say about wifi door sensor
What buyers praise and complain about, mined from review topics.What buyers love
“easy to mount and works flawlessly”
“Price to quality is fair”
“Definitely worth the price”
“Easy Peasy”
“Connectivity is great”
“Works great and gives me peace of mind”
“Works as advertised”
“Good security system”
“Good sensor and easy setup”
“Works great loud and effective”
What buyers complain about
“none works properly”
“Hard to connect”
“It broke after just a month or two”
“Battery life is terrible”
“Poor quality build”
“Loud Chime”
“Compatibility issues”
“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”
“The adhesive didnt hold up long it was poor quality”
“Could not get this set up and working”
Top return reasons
Common questions
- Is wifi door sensor profitable to sell on Amazon United States?
- 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).
- How competitive is the wifi door sensor niche?
- 18 brands and 28 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 62% of demand.
- What do buyers complain about in wifi door sensor?
- Top complaints mined from reviews: Functionality-Overall, Connectivity-Overall, Durability. The return rate is 4.5%.
- What does it cost to enter the wifi door sensor niche?
- 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.