water level sensor
Worth a lookShows a sweet-spot price point ($32.26 avg), but a small market ($84K/yr) keeps it on the watch list.
Avg price
Incredible$32.26avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Great420.13avg incumbent reviews — the moat a new listing must climb
Price range
Good$6.11–$139.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Brand share
Good74%top-5 brand share — brands hold most of the demand
Returns
Okay3.8%return rate — above 5% kills the launch gate
Growth
Okay+10.5%90-day search growth — must beat 0% to launch
Conversion
Okay2.7%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
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.Top water level sensor search terms
- water level sensor56K/yr
- x sense water leak sensor11K/yr
- xsense water leak sensor8K/yr
- liquid level sensors6K/yr
- liquid level sensor8K/yr
- x-sense water leak sensor5K/yr
- level sensor4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
X-Sense Wi-Fi Water Leak Detector Kit 110 dB 3 Sensors + Base Station
X-Sense$38.774.6★1,184 rev
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$26.894.5★934 rev
X-Sense Ultra-Slim Wi-Fi Water Leak Detector 4 Sensors + Base Station
X-Sense$51.384.6★676 rev
X-Sense Water Leak Detector 3-Pack SWS54 Kit Add-On Base Station Required
X-Sense$29.764.7★204 rev
X-Sense Ultra-Slim Water Leak Sensor 3-Pack Add-On Base Station Required
X-Sense$29.844.6★676 rev
Newest
by launch date
SCOTTSENSORS SC01W Smart Sensor Blue WiFi Ultrasonic Water Level Measurement IP66 Liquid Level Monitoring Sensor Controller Automatic Alarm Indicator
Generic$55.660 rev
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$41.9112 rev
X-Sense 2-in-1 Wi-Fi Water Leak Detector & Freeze Detector No Hub (3-Pack)
X-Sense$37.63659 rev
X-Sense 2-in-1 Wi-Fi Water Leak Detector & Freeze Detector No Hub (1-Pack)
X-Sense$13.87659 rev
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$54.3177 rev
Trending
90-day click momentumSCOTTSENSORS SC01W Smart Sensor Blue WiFi Ultrasonic Water Level Measurement IP66 Liquid Level Monitoring Sensor Controller Automatic Alarm Indicator
Generic$55.660.0★
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$41.913.5★
X-Sense Ultra-Slim Water Leak Sensor 1-Pack Add-On Base Station Required
X-Sense$12.284.6★
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$139.292.4★
CQRobot Contact Photoelectric Liquid Level Sensor for Arduino Raspberry Pi
CQRobot$13.854.6★
What buyers say about water level sensor
What buyers praise and complain about, mined from review topics.What buyers love
“Easy enough to install”
“Great looking product”
“Money well spent”
“the Sensor worked great”
“Works as advertised”
“no water leaks”
“easy to connect”
“Ease of use”
“Works Great”
“Effectively monitors for water”
What buyers complain about
“WiFi is unreliable”
“The leak was very slight”
“Breaks after 1 month”
“it came with a low battery”
“doesnt work correctly”
“Instructions are very poorly written”
“Garbage product”
“Could not set - up”
“Non compatible”
“Turns out the alarm won't stay off”
Top return reasons
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.