---
title: "Smartthings Water Leak Sensor — $173K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/smartthings-water-leak-sensor"
last_updated: "2026-08-08T16:39:25.233Z"
locale: en
meta:
  description: "Niche score 44/100 · $173K/yr market · 67K searches/yr · $33.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · $173K/yr market · 67K searches/yr · $33.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Smartthings Water Leak Sensor — $173K/yr Amazon US Niche (2026) - Flapen"
---

# **smartthings water leak sensor**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 35Growth 25Conversion 78Competition 16Returns 36Price range 95Avg price 95Brand share 0Review moat 74Quality gap 82

**Avg price**

**Incredible****$33.35**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$16.23–$65.67**

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

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Great****7.8%**

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

**Review moat**

**Good****531.45**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Okay****4.2%**

return rate — above 5% kills the launch gate

**Market size**

**Okay****$173K**

$173K/yr · 67K searches

**Growth**

**Bad****-0.4%**

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

**Competition**

**Bad****81%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, smartthings water leak sensor is a $173K/yr Amazon United States market (67K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Nov–Dec. Verdict: Skip it — 44/100.

Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **smartthings water leak sensor market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 750–1,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$200K–$267K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**7.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#54**</dd>

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

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

<dt>**Sponsored**</dt><dd>**91%**</dd>

<dt>**Out of stock**</dt><dd>**15.4%**</dd>

<dt>**Avg brand age**</dt><dd>**36 months**</dd>

<dt>**Avg seller age**</dt><dd>**132 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**5 **▼falling

**Sellers**

**10**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**81%**

Top 20: 100%

**Open market**

**0%**

- Aqara68% - THIRDREALITY17% - SONOFF7% - AEOTEC5% - Haozee3%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -0.4% search growth over the last 90 days.

3K2KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jul, Nov, Dec · busiest ÷ quietest = 3.3×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/smartthings-water-leak-sensor/trend)

## **Top smartthings water leak sensor search terms**

- **aqara water leak sensor**24K/yr-4.4%11.3% conv. - **zigbee water leak sensor**14K/yr+6.8%5.1% conv. - **zigbee water sensor**5K/yr+5.1%4.2% conv. - **zigbee leak sensor**5K/yr+4.6%5.6% conv. - **aqara leak sensor**5K/yr+16.2%12.2% conv. - **zwave water leak sensor**5K/yr-6.5%0.6% conv. - **smartthings water leak sensor**6K/yr-24.3%7.0% conv. - **aqara water sensor**4K/yr+4.6%10.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/smartthings-water-leak-sensor/search-terms)

## **Top smartthings water leak 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%15%$26K30%$52K45%$78K60%$104K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 11 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Aqara Water Leak Sensor 3 Pack Zigbee Water Leak Detector for Alarm System](https://m.media-amazon.com/images/I/31TmWQfYIUL.jpg)**Aqara Water Leak Sensor 3 Pack Zigbee Water Leak Detector for Alarm System**Aqara**$41.33**3.9★602 rev](https://www.amazon.com/dp/B09WQPJBTQ) [2![Aqara Water Leak Sensor 1 Pack Zigbee Water Leak Detector for Alarm System](https://m.media-amazon.com/images/I/31Dq+6igjTL.jpg)**Aqara Water Leak Sensor 1 Pack Zigbee Water Leak Detector for Alarm System**Aqara**$16.88**4.3★3,031 rev](https://www.amazon.com/dp/B07D39MSZS) [3![THIRDREALITY Zigbee Water Leak Sensor with Dripping Detection 4 Pack 120 dB Alarm App Notifications Enabled When Compatible with Home Assistant and Compatible Zigbee HUB Batteries Included](https://m.media-amazon.com/images/I/31Z5n3HiJlL.jpg)**THIRDREALITY Zigbee Water Leak Sensor with Dripping Detection 4 Pack 120 dB Alarm App Notifications Enabled When Compatible with Home Assistant and Compatible Zigbee HUB Batteries Included**THIRDREALITY**$65.67**4.4★111 rev](https://www.amazon.com/dp/B09XDP2LZF) [4![THIRDREALITY Zigbee Water Leak Sensor with Dripping Detection 120dB Alarm App Notifications Enabled When Work with Home Assistant and Compatible Zigbee HUB Like SmartThings Aeotec or Third Reality Hub](https://m.media-amazon.com/images/I/21D2Syxa1ML.jpg)**THIRDREALITY Zigbee Water Leak Sensor with Dripping Detection 120dB Alarm App Notifications Enabled When Work with Home Assistant and Compatible Zigbee HUB Like SmartThings Aeotec or Third Reality Hub**THIRDREALITY**$18.46**4.0★341 rev](https://www.amazon.com/dp/B09GYFN8VL) [5![Aeotec SmartThings SmartThings Water Leak Sensor ZigBee Battery Powered Smart Home Hub Compatible](https://m.media-amazon.com/images/I/21oKFiNetqL.jpg)**Aeotec SmartThings SmartThings Water Leak Sensor ZigBee Battery Powered Smart Home Hub Compatible**AEOTEC**$39.28**4.5★525 rev](https://www.amazon.com/dp/B095TR9NYR)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Haozee Zigbee Water Leak Detector Sensor for Home Pack of 3](https://m.media-amazon.com/images/I/21f4McmbVNL.jpg)**Haozee Zigbee Water Leak Detector Sensor for Home Pack of 3**Haozee**$29.75**78 rev4mo ago](https://www.amazon.com/dp/B0G3NQ7L86) [![SONOFF SNZB-05P Zigbee Water Leak Sensor for Alarm System and Smart Home Automation Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack](https://m.media-amazon.com/images/I/31nKgTdQa3L.jpg)**SONOFF SNZB-05P Zigbee Water Leak Sensor for Alarm System and Smart Home Automation Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack**SONOFF**$24.85**353 rev6mo ago](https://www.amazon.com/dp/B0DFVY6HS9) [![THIRDREALITY Zigbee Water Leak Sensor WL2 with Dripping & Leaking Detection App Notifications Zigbee Hub Needed 3-Year Battery Life No Battery & Srien Support Home Assistant SmartThings Homey](https://m.media-amazon.com/images/I/21FcP2N-1tL.jpg)**THIRDREALITY Zigbee Water Leak Sensor WL2 with Dripping & Leaking Detection App Notifications Zigbee Hub Needed 3-Year Battery Life No Battery & Srien Support Home Assistant SmartThings Homey**THIRDREALITY**$16.23**30 rev6mo ago](https://www.amazon.com/dp/B0GK19F6Z2) [![SONOFF SNZB-05P Zigbee Water Leak Sensor with Detection Cable for Alarm System and Smart Home Automation Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack](https://m.media-amazon.com/images/I/311Sq6X--GL.jpg)**SONOFF SNZB-05P Zigbee Water Leak Sensor with Detection Cable for Alarm System and Smart Home Automation Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack**SONOFF**$22.76**167 rev6mo ago](https://www.amazon.com/dp/B0DFVYCBK2) [![Aqara Smart Valve Controller T1 Matter Over Bridge Zigbee 3.0 Hub Required](https://m.media-amazon.com/images/I/315g8rzbQaL.jpg)**Aqara Smart Valve Controller T1 Matter Over Bridge Zigbee 3.0 Hub Required**Aqara**$57.92**389 rev2y ago](https://www.amazon.com/dp/B0DB8KS8Q3)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Haozee Zigbee Water Leak Detector Sensor for Home Pack of 3](https://m.media-amazon.com/images/I/21f4McmbVNL.jpg)**Haozee Zigbee Water Leak Detector Sensor for Home Pack of 3**Haozee**$29.75**3.8★**▲ 232%**](https://www.amazon.com/dp/B0G3NQ7L86) [![SONOFF SNZB-05P Zigbee Water Leak Sensor with Detection Cable for Alarm System and Smart Home Automation Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack](https://m.media-amazon.com/images/I/311Sq6X--GL.jpg)**SONOFF SNZB-05P Zigbee Water Leak Sensor with Detection Cable for Alarm System and Smart Home Automation Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack**SONOFF**$22.76**4.4★**▲ 221%**](https://www.amazon.com/dp/B0DFVYCBK2) [![SONOFF SNZB-05P Zigbee Water Leak Sensor for Alarm System and Smart Home Automation Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack](https://m.media-amazon.com/images/I/31nKgTdQa3L.jpg)**SONOFF SNZB-05P Zigbee Water Leak Sensor for Alarm System and Smart Home Automation Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack**SONOFF**$24.85**4.5★**▲ 212%**](https://www.amazon.com/dp/B0DFVY6HS9) [![THIRDREALITY Zigbee Water Leak Sensor WL2 with Dripping & Leaking Detection App Notifications Zigbee Hub Needed 3-Year Battery Life No Battery & Srien Support Home Assistant SmartThings Homey](https://m.media-amazon.com/images/I/21FcP2N-1tL.jpg)**THIRDREALITY Zigbee Water Leak Sensor WL2 with Dripping & Leaking Detection App Notifications Zigbee Hub Needed 3-Year Battery Life No Battery & Srien Support Home Assistant SmartThings Homey**THIRDREALITY**$16.23**4.1★**▲ 162%**](https://www.amazon.com/dp/B0GK19F6Z2) [![THIRDREALITY Zigbee Water Leak Sensor with Dripping Detection 2 Pack 120 dB Alarm App Notifications Enabled When Work with Home Assistant and Compatible Zigbee HUB Batteries Included](https://m.media-amazon.com/images/I/31pMwkGR99L.jpg)**THIRDREALITY Zigbee Water Leak Sensor with Dripping Detection 2 Pack 120 dB Alarm App Notifications Enabled When Work with Home Assistant and Compatible Zigbee HUB Batteries Included**THIRDREALITY**$33.77**4.4★**▲ 32%**](https://www.amazon.com/dp/B09MVKNNNQ)

**~~View all trending →~~**

## **What buyers say about smartthings water leak sensor**

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

### **What buyers love **

**Assembly/Installation**14%

*“Had my plumber install this, which was quick and efficient”*

**Sensor**10%

*“The sensors respond quickly”*

**Connectivity-Overall**9%

*“I had no connectivity issues with these”*

**Water Resistance**7%

*“It says it's waterproof”*

**Battery Life**7%

*“The battery life estimate is nice too”*

**Leak-Proof**7%

*“Great option for leak detection”*

**Value For Money**6%

*“Affordable”*

**Efficiency**4%

*“Flawless operation”*

**Compatibility-Overall**4%

*“making it very compatible”*

**Advertised Vs Actual Product**3%

*“they work as advertised”*

### **What buyers complain about **

**Connectivity-Overall**16%

*“Connection issues”*

**Water Resistance**9%

*“they are not waterproof”*

**Functionality-Overall**8%

*“It had one job - it failed”*

**Leak-Proof**7%

*“I was notified of a leak”*

**Compatibility-Overall**4%

*“Incompatible with Hubitat Elevation C-8 Pro”*

**Durability**4%

*“Keeps dropping off after 2-4 days”*

**Quality-Overall**3%

*“Trash”*

**Size-Overall**3%

*“it just doesn't fit”*

**Battery Life**2%

*“one thing of note is that NiMH rechargeable batteries seem to never show full battery”*

**Value For Money**2%

*“I don't like that it doesn't come with any. bad value for money”*

### **Top return reasons **

**Connectivity-Overall**25%

**Compatibility-Overall**21%

**Value For Money**10%

**Size-Overall**9%

**Leak-Proof**7%

**Functionality-Overall**7%

**Advertised Vs Actual Product**5%

**Defective Material/Parts**3%

**Alarm/Timer Accuracy**2%

**Mechanism Issues**2%

## **Common questions**

<dl>

<dt>**Is smartthings water leak sensor profitable to sell on Amazon United States?**</dt><dd>The niche generates $173K/yr across 11 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -0.4%. Flapen's verdict: Skip it (44/100).</dd>

<dt>**How competitive is the smartthings water leak sensor niche?**</dt><dd>5 brands and 10 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in smartthings water leak sensor?**</dt><dd>Top complaints mined from reviews: Connectivity-Overall, Water Resistance, Functionality-Overall. The return rate is 4.2%.</dd>

<dt>**When does demand for smartthings water leak sensor peak?**</dt><dd>Demand peaks in Jul–Nov–Dec; the busiest month runs 3.3× the quietest.</dd>

<dt>**What does it cost to enter the smartthings water leak sensor niche?**</dt><dd>Listings span $16.23–$65.67; the average listing price is $33.35 (sweet spot $15–$100). The average incumbent carries 531 reviews — the moat a new listing must climb.</dd>

</dl>

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