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.
The ZG-204ZP is an ultra compact Zigbee presence sensor featuring a 24GHz mmWave radar and a CR2450 battery within a tiny 33mm case.
Detailed testing and review of the new Sonoff AirGuard TH Sensor, a smart temperature and humidity sensor with a large LCD display.
UPDATED 19.02.2026: Discover the best and worst mmWave presence sensors for Home Assistant in 2026, including the top battery and wired models.
Detailed review of SwitchBot’s new Presence Sensor featuring a 60 GHz mmWave radar, PIR, light sensor, and AI space learning.
Review and testing of Seeed Studio’s 60 GHz mmWave radar sensors MR60FDA2 and MR60BHA2 with ESPHome firmware and Home Assistant integration.
Aqara’s new H2 Light Switch is a dual-protocol wall switch with Zigbee and Thread. It comes in 1 or 2-channel versions, with detached relay mode support.
AliExpress Reviews: Xiaomi/Linptech Pressure Sensor PS1BB Setup and Review. Reliable, off the shelf solution for triggering automations from your office chair.
Detailed review and Home Assistant integration of Xiaomi’s new battery-powered PIR and mmWave human occupancy sensor, model XMOSB01XS. 3-year battery life!
AliExpress Reviews: Tuya Zigbee Presence Sensor model ZG-205Z by manufacturer _TZE200_2aaelwxk. Reliable presence detection at a distance of 1.5 meters.
AliExpress Review: Testing the first Zigbee battery-powered PIR and mmWave radar presence sensor, Tuya model ZH-204ZM with manufacturer ID _TZE200_2aaelwxk.