- WIFI smart Digital Temperature Meter supports both IOS & Android. WIFI connection supports 2.4GHz Wi-Fi band with free “Tuya Smart" or "Smartlife" App to monitor the temperature remotely. -The high-definition LED digital display can be clearly read in the dark, and the soft 360-degree luminous ambient light creates a unique atmosphere for your home. - WiFi Temperature Monitor can be shared by multiple people. You can click to share the device to other users. Product Parameters: App: Tuya Smart/Smart life Powered by: USB Cable Built-in rechargeable battery: 3.7V 600mAH Battery standby time: about 6 hours in full charge Alarm Indication: The digital tube number flashes Detecting temperature: -40? to +125? ( -40? to +257?) Temperature accuracy: 0.5? Measurement deviation: ±1? WIFI band: 2.4G ( not support 5G) Buzzer alarm time: default 30 seconds Size: 77.8mm x 77.8mm x 20.8mm (3.06 x 3.06 x 0.82 inch) What’s in the box? 1* WiFi Temperature Detector Alarm Sensor 1 x 1m Sensor Probe 1 x USB Cable(NOT included power adapter) 1 x User Manual