---
title: "Water Level Sensor — $84K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/water-level-sensor"
last_updated: "2026-08-08T08:44:55.406Z"
locale: en
meta:
description: "Niche score 50/100 · $84K/yr market · 97K searches/yr · $32.26 avg price. A small market ($84K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $84K/yr market · 97K searches/yr · $32.26 avg price. A small market ($84K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Water Level Sensor — $84K/yr Amazon US Niche (2026) - Flapen"
---
# **water level sensor**
**Worth a look**
Shows a sweet-spot price point ($32.26 avg), but a small market ($84K/yr) keeps it on the watch list.
Market size 21Growth 38Conversion 33Competition 58Returns 40Price range 64Avg price 95Brand share 52Review moat 79Quality gap 84
**Avg price**
**Incredible****$32.26**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****420.13**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$6.11–$139.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Returns**
**Okay****3.8%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+10.5%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****2.7%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$84K**
$84K/yr · 97K searches
According to Flapen's Amazon United States niche tracking, water level sensor is a $84K/yr Amazon United States market (97K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **water level sensor market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$97K–$129K**
- units × avg price
- **Conversion rate**
- **2.7%**
- **Avg BSR**
- **#134**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **69%**
- **Out of stock**
- **4.1%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **141 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▲rising
**Sellers**
**32**
**Top-5 brand share**
**74%**
Top 20: 99%
**Top-5 click share**
**50%**
Top 20: 86%
**Open market**
**23%**
- X-Sense46% - YoLink11% - CQRobot7% - Ximimark5% - EPTTECH4% - MORAYELEC3%
## **Demand**
Weekly Amazon search volume, last 47 weeks — +10.5% search growth over the last 90 days.
3K2KBlack Friday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/water-level-sensor/trend)
## **Top water level sensor search terms**
- **water level sensor**56K/yr+8.3%0.7% conv. - **x sense water leak sensor**11K/yr+31.6%9.6% conv. - **xsense water leak sensor**8K/yr+9.8%10.6% conv. - **liquid level sensors**6K/yr+87.8%0.3% conv. - **liquid level sensor**8K/yr-26.1%0.5% conv. - **x-sense water leak sensor**5K/yr+22.0%8.4% conv. - **level sensor**4K/yr-17.4%0.4% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/water-level-sensor/search-terms)
## **Top water level 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%$13K20%$17K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**X-Sense Wi-Fi Water Leak Detector Kit 110 dB 3 Sensors + Base Station**X-Sense**$38.77**4.6★1,184 rev](https://www.amazon.com/dp/B0BDF94TMV) [2**YoLink LoRa Smart Water Level Monitoring Sensor Wireless Battery-Powered Float Switch Alarm Sump Pump Alarm AC Condensate Overflow Tank Level Toilet Leak Sensor 105dB Siren YoLink Hub Required**YoLink**$26.89**4.5★934 rev](https://www.amazon.com/dp/B0C3KXCY8B) [3**X-Sense Ultra-Slim Wi-Fi Water Leak Detector 4 Sensors + Base Station**X-Sense**$51.38**4.6★676 rev](https://www.amazon.com/dp/B0DFCMJH5L) [4**X-Sense Water Leak Detector 3-Pack SWS54 Kit Add-On Base Station Required**X-Sense**$29.76**4.7★204 rev](https://www.amazon.com/dp/B0CC8XV4YB) [5**X-Sense Ultra-Slim Water Leak Sensor 3-Pack Add-On Base Station Required**X-Sense**$29.84**4.6★676 rev](https://www.amazon.com/dp/B0DFCNKR4D)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SCOTTSENSORS SC01W Smart Sensor Blue WiFi Ultrasonic Water Level Measurement IP66 Liquid Level Monitoring Sensor Controller Automatic Alarm Indicator**Generic**$55.66**0 rev5mo ago](https://www.amazon.com/dp/B0GMY3V9M4) [**Ultrasonic Level Sensor with 2.4G WiFi Non-Contact Liquid & Solid Level Monitor Tuya Smart & Smart Life APP Remote Control for Water Tank Grain Bin Waterproof Outdoor G2 Tank Monitor Indicator Alarm**HojellyTek**$41.91**12 rev6mo ago](https://www.amazon.com/dp/B0GKV59XM7) [**X-Sense 2-in-1 Wi-Fi Water Leak Detector & Freeze Detector No Hub (3-Pack)**X-Sense**$37.63**659 rev8mo ago](https://www.amazon.com/dp/B0G4D51F5Z) [**X-Sense 2-in-1 Wi-Fi Water Leak Detector & Freeze Detector No Hub (1-Pack)**X-Sense**$13.87**659 rev8mo ago](https://www.amazon.com/dp/B0G4D2VWQP) [**Moray Smart WiFi Water Level Sensor Water Tank Level Monitor Oil Tank Gauge Sensor Automatic Alarm Indicator for Tuya Smart Life Mobile APP Smart Home Remote IP65 Waterproof (ME201W)**MORAYELEC**$54.31**77 rev8mo ago](https://www.amazon.com/dp/B0DRNKWRZ2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SCOTTSENSORS SC01W Smart Sensor Blue WiFi Ultrasonic Water Level Measurement IP66 Liquid Level Monitoring Sensor Controller Automatic Alarm Indicator**Generic**$55.66**0.0★**▲ 226%**](https://www.amazon.com/dp/B0GMY3V9M4) [**Ultrasonic Level Sensor with 2.4G WiFi Non-Contact Liquid & Solid Level Monitor Tuya Smart & Smart Life APP Remote Control for Water Tank Grain Bin Waterproof Outdoor G2 Tank Monitor Indicator Alarm**HojellyTek**$41.91**3.5★**▲ 169%**](https://www.amazon.com/dp/B0GKV59XM7) [**X-Sense Ultra-Slim Water Leak Sensor 1-Pack Add-On Base Station Required**X-Sense**$12.28**4.6★**▲ 109%**](https://www.amazon.com/dp/B0DFCMP714) [**Moray Smart WiFi Water Level Sensor Water Tank Level Monitor Submersible Liquid Level Gauge Automatic Alarm Indicator for Tuya Mobile APP Smart Home Remote IP67 Waterproof (ME202W 5m)**MORAYELEC**$139.29**2.4★**▲ 102%**](https://www.amazon.com/dp/B0FDX15Q5D) [**CQRobot Contact Photoelectric Liquid Level Sensor for Arduino Raspberry Pi**CQRobot**$13.85**4.6★**▲ 101%**](https://www.amazon.com/dp/B07ZMGW3QJ)
**~~View all trending →~~**
## **What buyers say about water level sensor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**17%
*“Easy enough to install”*
**Quality-Overall**8%
*“Great looking product”*
**Value For Money**8%
*“Money well spent”*
**Sensor**7%
*“the Sensor worked great”*
**Advertised Vs Actual Product**6%
*“Works as advertised”*
**Leak-Proof**6%
*“no water leaks”*
**Connectivity-Overall**6%
*“easy to connect”*
**Ease Of Use**5%
*“Ease of use”*
**Efficiency**4%
*“Works Great”*
**Water Resistance**4%
*“Effectively monitors for water”*
### **What buyers complain about **
**Connectivity-Overall**17%
*“WiFi is unreliable”*
**Leak-Proof**10%
*“The leak was very slight”*
**Durability**6%
*“Breaks after 1 month”*
**Battery Life**5%
*“it came with a low battery”*
**Functionality-Overall**5%
*“doesnt work correctly”*
**Instructions/User Manual/Troubleshooting**4%
*“Instructions are very poorly written”*
**Quality-Overall**4%
*“Garbage product”*
**Assembly/Installation**4%
*“Could not set - up”*
**Compatibility-Overall**3%
*“Non compatible”*
**Alarm/Timer Accuracy**3%
*“Turns out the alarm won't stay off”*
### **Top return reasons **
**Connectivity-Overall**40%
**Compatibility-Overall**12%
**Leak-Proof**10%
**Functionality-Overall**7%
**Alarm/Timer Accuracy**4%
**Advertised Vs Actual Product**3%
**Assembly/Installation**3%
**Value For Money**3%
**Size-Overall**3%
**Defective Material/Parts**3%
## **Common questions**
- **Is water level sensor profitable to sell on Amazon United States?**
- The niche generates $84K/yr across 32 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is +10.5%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the water level sensor niche?**
- 21 brands and 32 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in water level sensor?**
- Top complaints mined from reviews: Connectivity-Overall, Leak-Proof, Durability. The return rate is 3.8%.
- **What does it cost to enter the water level sensor niche?**
- Listings span $6.11–$139.29; the average listing price is $32.26 (sweet spot $15–$100). The average incumbent carries 420 reviews — the moat a new listing must climb.
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