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Description: 1. Power supply: Two AAA 1 alkaline batteries (LR6) 2. Temperature sensor : NTC 3. Temperature accuracy: ±1℃ 4. Display fluctuate : 0-60℃ 5. Temperature surroundings : 5-35℃ 6. Applicable temperature:0~50℃ 7. ZigBee standard: IEEE 802 8. Communication frequency: 2 Specifications: 【Voice control】 Compatible with Xiaodu, Aleax, and Yandex 【 APP Control 】 The clever temperature controller would be controlled via a telephone earlier than returning home. (App: Tuya) 【Manual/Automatic Mode 】 You can freely choose from instruction manual or computerized modes. 【Accurate temperature】: The internal sensor is a surface sensor that can sense the ambient temperature and floor temperature. Automatically obtain temperature with an accuracy of 1°C. 【 Programmable Weekly 】 The temperature controller supports various temperature settings for 6 time modes according to day. 【 Window opening function 】 When the window is opened, inflicting the room temperature to drop by means of greater than 6 ℃ within four minutes, the display screen exhibits "OP" and closes the valve. If the room temperature rises by way of three ℃, this operate could be released, or it may be launched after 48 minutes or manually. 【 Waterproof scaling function 】 If the valve of the warmth sink isn't completely opened once within two weeks or used for a protracted time, it's going to set off the valve to be blocked because of immoderate scale, and the warmth sink will not be capable of use. To ensure the normal use of the warmth sink, the controller will routinely open the valve fully every single two weeks and run for 30 seconds, during which the display screen will reveal "Ad". After running, the operation would be restored. 【Children's lock】:The keyboard lock function is designed to stop teens from by chance working it. 【 Purpose】 Suitable for heating radiators. Perfect for homes, offices, looking malls, hotels, and so forth Package Included: 1 set * (1 temperature control valve, 1 instruction manual)