1. Built- in Rechargeable battery : can be powered by external DC5V power supply or standby battery ( note : if you to power the detector via battery , open the back cover and switch on the detector ).<br> 2. Temperature Unit (Centigrade or Fahrenheit). Check the History Record of temperature anytime.<br> 3. Multi - Supported : you can click to share the device to other users .<br> 4. Buit in Buzzer : the Buzzer will sound when the detector triggered.<br> 5. APP :you can download it by searching for Tuya Smart or Smart Life, support android IOS smartphone.<br> note: The KONLEN temperature sensor with 1 meter cable can be used for indoor and outdoor detection, the digital display main panel is not waterproof, it must be located indoor.<br> Model Number: -951T<br> platform: Tuya<br> Show: LED Digital display<br> Detection: Temperature<br> Powered by: External DC5V 1A power adapter<br> Rechargeable battery: 3.7V 600MA<br> Battery Standby time: about 6 hours<br> Temperature Detection Range: -40 to +120 Centigrade<br> WIFI band: 2.4G, not support 5G<br> Temperature alarm: upper or lower limit value<br> color:As shown<br> Material:plastic<br> Package Contents:<br> 1 x Tuya Smart Temperature Detector<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.