This intelligent thermostat can give you a better use of experience for it can let you control the temperature on your mobilephone after connecting with the Tuya APP, and can even be used with your intelligent voice assistant like Alexa and Google Home. Come on and try it, it will not let you down. Hands-free Voice Control: After connecting with the Alexa and Google Home intelligent voice assistant, you can control it with your voice. Holiday Mode: If you plan to leave home for a few days, holiday mode will starts automatically and maintain the set temperature, which can help to save energy. Adaptability: This temperature control valves is suitable for RAVL, RAV, M30*1.5 and RA. A Wide Ranges of Applications: This temperature controller can be widely used in your home, living room, bedroom, office, hotel and other places. APP Remotes Control: This intelligent radiator valves support Tuya APP remotes control. It is very convenient to control it from your mobilephone even if you are far away from home. Specifications: Material: ABS RF: ZigBee Frequency: 2.4GHz Typ. open area RF ranges: >60m Temperature ranges: 5~30 Protections: IP20 Constant temperature tolerance: 0.7 Maximum radiated power: 19dBm Connection: M30x1.5mm Working temperature: -10-40C Power: 2 * AA batteries (NOT INCLUDED) Package size: 120 * 70 * 70mm / 4.7 * 2.8 * 2.8in Package weight: 230g / 8.1ounce Note: This temperature controller should be used with a gate-way. Packing list: 1 * Radiator Thermosta