smart sensor
Skip itA small market ($14K/yr) — this niche doesn't clear our bar today.
Avg price
Great$55.95avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Brand share
Good72%top-5 brand share — brands hold most of the demand
Review moat
Good1,449.44avg incumbent reviews — the moat a new listing must climb
Price range
Okay$12.02–$192.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.5%return rate — above 6% kills the launch gate
Growth
Bad-14.7%90-day search growth — must beat 0% to launch
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Market size
Bad$14K$14K/yr · 25K searches
Competition
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
59
Top-5 brand share
72%
Open market
17%
- Aqara18%
- SMART SENSOR16%
- ecobee14%
- Xtra-Seal12%
- GoveeLife12%
- THIRDREALITY11%
- Open — no brand owns it (5 brands, 17%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 27 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ecobee Smart Sensor 2 Pack - Comfort Security Energy Savings Temperature and Occupancy Detection - Compatible with ecobee Thermostats for Home
ecobee$86.134.6★8,674 rev
SMART SENSOR 10 Pack TPMS 17-43041 (17-43011 or 17-4301) Multi Frequency Sensor
SMART SENSOR$186.974.4★179 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$38.704.4★7,466 rev
TP-Link Tapo Motion Sensor Requires Tapo Hub Long Battery Life w/Sub-1G Low-Power Wireless Protocol Wide Range Detection Adjustable Sensitivity Real-Time Notification Smart Action Tapo T100
Tapo$14.604.5★542 rev
Xtra-Seal Smart Sensor 17-43041 Snap in Multi-Frequency Programmable Universal TPMS Sensor (Box of 10)
Xtra-Seal$186.754.9★30 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$37.5946 rev
GoveeLife Upgraded Smart Water Leak Detector 1s with 1804 ft Ultra-Long Range WiFi Water Sensor with SMS/Email/APP Push and Sound Alarm 5-Year Battery Life Suit for Home Basement Kitchen 6 Pack
GoveeLife$82.452,214 rev
Aqara Zigbee 3.0 Motion Sensor P1 3 Pack 5-Year Battery Life 150-170 Detection Adjustable Timeout 1-200s for Alert System Automations Compatible with HomeKit Home Assistant Aqara Hub Required
Aqara$47.01842 rev
Aqara Presence Sensor FP300 Wireless 5-in-1 Motion Sensor with mmWave PIR Light Temperature & Humidity Detection Thread & Zigbee Supports HomeKit Home Assistant Alexa Google Home
Aqara$48.95667 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$48.57242 rev
Trending
90-day click momentumAqara Presence Sensor FP300 Wireless 5-in-1 Motion Sensor with mmWave PIR Light Temperature & Humidity Detection Thread & Zigbee Supports HomeKit Home Assistant Alexa Google Home
Aqara$48.953.8★
SONOFF SNZB-03P Zigbee Motion Sensor 3-Year Battery Life for Alert System and Automations Wireless Motion Detector SONOFF Zigbee Bridge Required Batteries Included (1 Pack)
SONOFF$17.324.2★
GoveeLife Upgraded Smart Water Leak Detector 1s with 1804 ft Ultra-Long Range WiFi Water Sensor with SMS/Email/APP Push and Sound Alarm 5-Year Battery Life Suit for Home Basement Kitchen 6 Pack
GoveeLife$82.454.4★
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$37.593.8★
Aqara Zigbee 3.0 Motion Sensor P1 3 Pack 5-Year Battery Life 150-170 Detection Adjustable Timeout 1-200s for Alert System Automations Compatible with HomeKit Home Assistant Aqara Hub Required
Aqara$47.014.3★
Demand
Weekly Amazon search volume, last 29 weeks — -14.7% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to install”
“Overall, great product and works as intended”
“Motion sensor is a great feature”
“connects to Alexa”
“it makes life easier”
“As advertised”
“it does work”
“Great addition and compatibility”
“Good for money”
“The motion detection is sensitive and responsive”
What buyers complain about
“Would not connect”
“Didnt work”
“A little hard to set up”
“Low quality batteries will not last”
“Compatibility issues”
“Absolutely garbage”
“50% failed after a couple of months”
“most of them are very expensive”
“Leakers”
“because this isnt clear in the description. at least not the way I read it”