The 2Pack SONOFF TRVZB ZigBee 3.0 Thermostatic Radiator Valve is a smart home thermostat that allows you to control the temperature in your home with precision. With a temperature setting range of 4°C-35°C, this unit is compatible with Google Home/Assistant and Amazon Alexa for added convenience. The device is powered by 1.5V LR6 Alkaline AA batteries and features a wireless connection via Zigbee 3.0. Made of durable PC casing material, this thermostatic radiator valve is reliable and energy-efficient for optimal heating control.
