Power supply230 VAC, 50 Hz Operating temperature: 0~50 Indoor only Wireless protocol: IEEE 802.15.4, Tuya ZigBee Radio frequency range: 2.4GHz Antenna: Metal PIFA, Gain: 3dBi Protection class: IP20 (indoor) Cable cross-section: 60cm Temperature probe: Metal probe, 10cm Dimensions: 86mm x 86mm x 26mm Compatibility: Compatible with all electric radiators radiators equipped with pilot wire technology. Specifications: Feature 1. APP remote control: Through the Smart life APP, you can remotely monitor home temperature anytime and anywhere. 2. Voice control: Collaborate with Alexa to achieve voice control. With just one voice command, the smart thermostat can start working and free up your hands. 3. Programmable every week: According to user needs and habits, it supports setting up to 48 schedules within a day, regularly adjusting room temperature, and providing personalized experience. 4. Energy saving: Implementing our heating energy-saving concept through various humanized designs, Smart life APP settings help you optimize energy use, choose the most suitable and economical heating mode, and ecowatt power prediction also helps you make better heating decisions. 5. Power monitoring: Our intelligent thermostat allows you to monitor your power consumption in real-time directly from your Smart life App, providing reference data and curve recording of energy consumption to improve efficiency and save costs. 6. Easy to install: compatible with Pilot Wire radiators It is compatible with all electric radiators equipped with Pilot Wire technology. Easy to integrate and install into new or existing electric heating systems, with or without a control system. 7. High Accuracy Sensor The thermostat is equipped with a high sensitivity 10 1% 3380 10CM temperature sensor, which meets the requirements of EN 12098-3 with a measurement accuracy of 0.8k, providing the user with an accurate measurement of room temperature. 8. Works even without WIFI Built-in buffer memory retains settings even if WiFi is cut off. Control buttons on the thermostat to manually change the mode locally. Package Included: 1 set * (intelligent temperature controller, 1 manual)