ZIGBEE Tuya Smart Home Heating System with App and Voice Remote Control for Energy Efficient Smart Switch Heating Control Description: 1. Power supply: Two AAA 1.5V alkaline batteries (LR6) 2. Temperature sensor : NTC 3. Temperature accuracy: 1 4. Display range : 0-60 5. Temperature setting : 5-35 6. Applicable temperature:0~50 7. ZigBee standard: IEEE 802.15.4 8. Communication frequency: 2.405-2.408GHz Specifications: Voice control Compatible with Xiaodu, Aleax, and Yandex APP Control The intelligent temperature controller can be controlled through a mobile phone before returning home. (App: Tuya) Manual/Automatic Mode You can freely choose between manual or automatic modes. Accurate temperature: The internal sensor is a floor sensor that can sense the ambient temperature and floor temperature. Automatically obtain temperature with an accuracy of 1C. Programmable Weekly The temperature controller supports different temperature settings for 6 time modes per day. Window opening function When the window is opened, causing the room temperature to drop by more than 6 within 4 minutes, the screen displays "OP" and closes the valve. If the room temperature rises by 3 , this function can be released, or it can be released after 48 minutes or manually. Waterproof scaling function If the valve of the heat sink is not fully opened once within two weeks or used for a long time, it will cause the valve to be blocked due to excessive scale, and the heat sink will not be able to use. To ensure the normal use of the heat sink, the controller will automatically open the valve fully every two weeks and run for 30 seconds, during which the screen will display "Ad". After running, the operation will be restored. Children's lockThe keyboard lock function is designed to prevent children from accidentally operating it. Purpose Suitable for heating radiators. Perfect for homes, offices, shopping malls, hotels, etc Package Included: 1 set * (1 temperature control valve, 1 instruction manual)