Zemismart ZPS-Z1: Ultra Low-Power mmWave Sensor
The Zemismart ZPS-Z1 24GHz mmWave presence sensor draws only 4μA, matching PIR motion sensor efficiency with radar accuracy for static presence.
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Sensor
Smart home sensors and detectors, covering motion, presence, temperature, humidity, air quality and other monitoring devices.
The Smallest Zigbee Presence Sensor: Tuya ZG-204ZP Review
The ZG-204ZP is an ultra compact Zigbee presence sensor featuring a 24GHz mmWave radar and a CR2450 battery within a tiny 33mm case.
Sonoff AirGuard Air Quality Monitor Review
Detailed testing and teardown review of the new Sonoff AirGuard CO2 (SAWF-08P) and AirGuard PM (SAWF-07P) Air Quality Monitors with Matter support.
Sonoff AirGuard TH Sensor Testing and Review
Detailed testing and review of the new Sonoff AirGuard TH Sensor, a smart temperature and humidity sensor with a large LCD display.
Best and Worst Presence Sensors for Home Assistant 2026
UPDATED 19.02.2026: Discover the best and worst mmWave presence sensors for Home Assistant in 2026, including the top battery and wired models.
Aqara FP300 Presence Multi-Sensor Teardown and Review
Dismantling and testing the new Aqara FP300 Presence Multi-sensor. PIR, mmWave, temperature, humidity and illuminance in one battery-powered device!
Tuya Zigbee Battery Presence Sensor ZG-204ZH Review
AliExpress Review: Battery or USB-C powered combo presence sensor with PIR and mmWave radar, Tuya Model ZH-204ZH with manufacturer ID _TZE200_tyffvoij.
SwitchBot Presence Sensor Review and Testing
Detailed review of SwitchBot’s new Presence Sensor featuring a 60 GHz mmWave radar, PIR, light sensor, and AI space learning.
Sensereo MS-1 Matter over Thread Smoke Alarm Review
Detailed review of the new Sensereo MS-1 photoelectric smoke alarm with Matter-over-Thread. Dual battery, 85dB siren, and a 7-year sensor lifespan.
NodOn Zigbee Solar Temperature & Humidity Sensor Review
The NodOn Solar Temperature and Humidity Sensor STPH-4-1-00 uses Zigbee and solar power to track climate conditions without batteries or maintenance.
