Features: Zigbee 3.0 TRV: intelligently control the device via APP after connecting it to ZigBee 3.0 wireless gateway hub. App Remote Control from Anywhere: real-time control your house temperature via smart life APP Hands-free Voice Control: control room temperature via voice command. Weekly Programmable Schedule: 5+2 six-period weekly programming, 6+1 six-period weekly programming, seven days and six time period programming. Smart Radiator Thermostat: all you need is a smart phone, freely control temperature any place, any time. Wireless Distance 30 meters in an open air. Connector Compatibility: compatible with RA adapter, RAVL adapter, RAV adapter. Specifications: Material: ABS Accuracy: 0.5 Default Setting Temperature Range: 5~35 Working Environment Temperature: 0~50 Display Temperature Range: 1~70 Temperature Sensor: NTC(10K)1% Thread Size: M30*1.5mm (compatible with RAVL/RAV/RA valve) Max. Route Size: 4.5mm APP: Smart Life Power Supply: 2 * 1.5V AA battery (NOT included) Package Weight: 200g / 7.05oz Package Size: 10.5 * 9 * 8cm / 4.13 * 3.54 * 3.15in Package List: 1 * Temperature Controller