Winner
Updated September 2026
Data from Amazon and official Meross and Third Reality sites.
2026 verdict
Meross Smart Presence Sensor beats Third Reality Smart Presence Sensor R2 in 2026, with its clearest edge on price, rating, and connectivity.
It builds its lead on price, rating, and connectivity, then backs it up with a stronger showing on integrations and sensors. Third Reality Smart Presence Sensor R2 is still relevant if you care most about its specific feature mix, but Meross Smart Presence Sensor is the stronger recommendation overall. That is why the final call still favors Meross Smart Presence Sensor.
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| Feature | Meross Smart Presence Sensor | Third Reality Smart Presence Sensor R2 | Winner |
|---|---|---|---|
| Price | $33.99 | $39.99 | Meross Smart Presence Sensor |
| Rating | 3.8 | 3.2 | Meross Smart Presence Sensor |
| Connectivity | 2.4 GHz WiFi, Bluetooth | Zigbee | Meross Smart Presence Sensor |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Alexa, Samsung SmartThings, Home Assistant | Meross Smart Presence Sensor |
| Sensors | Presence, Light | Presence | Meross Smart Presence Sensor |
| Range of Detection | 6m / 19ft | 5m / 16ft | Meross Smart Presence Sensor |
| Warranty | 1 year | 1 year | Tie |
| Weather Resistance | NO | NO | Tie |
| Alerts | Presence Alerts | Presence Alerts | Tie |
| Multi-Person Detection | NO | NO | Tie |
Winner
- + Price: $33.99
- + Rating: 3.8
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- - Price: $39.99 vs $33.99
- - Rating: 3.2 vs 3.8
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Meross Smart Presence Sensor
- Third Reality Smart Presence Sensor R2
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Frequently Asked Questions
Which is better overall: Meross Smart Presence Sensor or Third Reality Smart Presence Sensor R2?
Meross Smart Presence Sensor has the stronger overall profile in this comparison, especially for price, rating, and connectivity.
What is the biggest difference between Meross Smart Presence Sensor and Third Reality Smart Presence Sensor R2?
Price is one of the clearest differences: Meross Smart Presence Sensor lists $33.99, while Third Reality Smart Presence Sensor R2 lists $39.99.
Which one looks better on price?
Meross Smart Presence Sensor is listed at $33.99, while Third Reality Smart Presence Sensor R2 is listed at $39.99. Meross Smart Presence Sensor (better spec).
Who should buy Meross Smart Presence Sensor?
Choose Meross Smart Presence Sensor if your priority is price and rating and that matters more than the competing advantages.
Who should buy Third Reality Smart Presence Sensor R2?
Choose Third Reality Smart Presence Sensor R2 if your priority is its specific strengths and that matters more than price.
Full comparison table
Compare all 15 Presence Sensors side by side
You are looking at two of them. The full table lines up all Presence Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 15 Presence Sensors
- 33 specs compared
- 30 filters
AqaraPresence Sensor FP1E
14% OFF$49.99$42.99
SonoffZigbee Human Presence Sensor
$26.99
GoveeSmart Presence Sensor
$39.99
ShellyPresence Gen4
$84.99
SonoffSenseGuard Presence Core
$24.90- Meross
Smart Presence Sensor
$33.99 
MoesHuman Presence Sensor
5% OFF$39.99$37.99
AqaraPresence Sensor FP2
$82.99
SwitchBotPresence Sensor
15% OFF$29.99$25.49
Third RealitySmart Presence Sensor R3
$49.99- Third Reality
Smart Presence Sensor R2
$39.99 
MerossPresence Sensor MS605
6% OFF$27.59$25.99
AqaraSpatial Multi-Sensor FP400
$79.99
Apollo AutomationMSR-2
$35.69
MoesHuman Presence Detector (Ceiling Mount)
$65.99
Door & Window SensorsMerossSmart Door and Window Sensor
3.0(35)18% OFF$21.99$17.99
Energy MonitorsMerossEM06P
4.2(143)19% OFF$111.99$90.99
Energy MonitorsMerossEM16P
4.3(46)20% OFF$199.99$159.98
Garage Door OpenersMerossMSG100 Smart Garage Door Opener
4.2(6,692)15% OFF$49.99$42.49
HubsMerossMatter Smart Hub Pro MSH450P
14% OFF$34.99$29.99
HubsMerossSmart Wi-Fi Hub MSH400HK
4.4(45)€19.99
HubsMerossSmart Wi-Fi Hub MSH450
4.2(192)€24.99
LED BulbsMerossSmart Wi-Fi LED Bulb
4.0(793)$17.04
LED BulbsMerossSmart Wi-Fi LED Bulb with Dimmable Light
4.2(341)$44.64
PlugsMerossMatter Smart Plug Mini
4.2(212)$17.99
PlugsMerossOutdoor Smart Plug (3 Sockets)
4.4(4,757)10% OFF$30.99$27.89
PlugsMerossOutdoor Smart Plug
4.4(3,956)$25.99
PlugsMerossSmart Wi-Fi Plug
4.3(3,154)$21.99- Presence SensorsMeross
Presence Sensor MS605
3.1(88)6% OFF$27.59$25.99 - Presence SensorsMeross
Smart Presence Sensor
3.8(119)$33.99 
Radiator ValvesMerossSmart Thermostat Valve
3.8(980)€28.41
RelaysMerossMatter Smart DIY Switch with Energy Monitor
4.4(2,764)€19.99
Temperature & Humidity SensorsMerossSmart Multi-Function Hygrometer & Thermometer MS120H
$22.99
Temperature & Humidity SensorsMerossSmart Temperature and Humidity Sensor
3.6(86)$14.99
ThermostatsMerossMTS300 Smart Thermostat
3.8(841)5% OFF$62.99$59.84
Air Quality MonitorsThird RealitySmart Air Quality Sensor
$49.99
DonglesThird RealityUSBC-Dongle
3.1(72)$19.99
Garage Door OpenersThird RealitySmart Garage Door Opener
4.2(85)$49.99
LED BulbsThird RealitySmart Color Bulb ZL2
$15.99- Presence SensorsThird Reality
Smart Presence Sensor R2
3.2(12)$39.99 - Presence SensorsThird Reality
Smart Presence Sensor R3
3.5(59)$49.99 
Vibration SensorsThird RealityVibration Sensor
4.1(600)$19.99
Wall OutletsThird RealitySmart Wall Outlet ZW1
3.5(13)$29.99
Water Leak SensorsThird RealitySmart Water Leak Sensor WL2
3.9(41)$17.99
Water Leak SensorsThird RealityWater Leak Sensor
4.1(350)$20.99
Window CoveringsThird RealitySmart Blind
4.0(108)$158.99