Overview: This Tuya WiFi intelligent sensors can detect the temperature and humidity for you, come on and try it, it will not let you down. Features: You can check the temperature and humidity on it. Switch the temperature units between ℉ and ℃. Real-time update without delay, the temperature accuracy can reach to ±1℃. App intelligent control supports scene linkage and alarm reminder. It can be used in living room, bed room, wardrobe, wines cellar, hotel, office, etc. Specifications: Material: ABS Power supplys mode: USB Battery: (NOT Included) Micro USB input: 5V 2A WiFi frequency: 2.4GHz IEEE 802.11 b/g/n Temperature measure ranges: -10℃~55℃ Humidity measure ranges: 0%RH~99%RH Alarm Sound: 55dB Working Temperature: -10℃~60℃ Working Humidity: Max. 90%RH Item size: φ6.1*2.7cm/φ2.40*1.06in Item weight: 51g/1.79oz Package size: 6.2*6.2*4.7cm/2.44*2.44*1.85in Package weight: 67g/2.36oz Packing list: 1 * Temperature Humidity Sensor 1 * Bag of Screws 1 * Sticker 1 * User Manual