Feature 1、You can not only check the temperature and humidity on it, but also can check the time and date, with the functions of clock. 2、℉ and ℃ switch function: You can switch the temperature units between ℉ and ℃ just through press of the reset button on time. 3、Wokrs with Alexa and Home , you just need to say:\"Alexa, what\u0027s the temperature in here?\", then it will answer you, which is intellgient and time saving. This tuya wifi intelligent sensors can not only detect the temperature and humidity for you, but also can check the date and time on it, with the voice control and intelligent linkage functions, come on and try it, it will not let you down. Features: You can not only check the temperature and humidity on it, but also can check the time and date, with the functions of clock. ℉ and ℃ switch function: You can switch the temperature units between ℉ and ℃ just through press of the reset button one time. Wokrs with Alexa and Home , you just need to say:"Alexa, what's the temperature in here?", then it will answer you, which is intellgient and time saving. Accurate measurement: Real-time update without delay, the temperature accuracy can reach to ±1℃. Intelligent linkage function: with this function, you can achieve intelligent linkage, like when the indoor temperature reaches 26.2℃, turn on the air conditioner, when the humidity is lower than 67%, turn on the humidifier. Wide applications: It can be used in living room, bed room, wardrobe, wines cellar, hotel, office and so on places. Specifications: Material: ABS LED indicator: blue Power supplys mode: USB Micro input: direct current 5V 1A WiFi frequency: 2.4GHz IEEE 802.11 b/g/n Temperature measure ranges: 0℃~60℃ Humidity measure ranges: 0%RH~99%RH Temperature measure accuracy: ±1℃ Humidity measure accuracy: ±5%RH Item size: 65 * 65 * 17mm / 2.6 * 2.6 * 0.7in Item weight: 45.8g / 1.6ounce Package size: 140 * 83 * 20mm / 5.5 * 3.3 * 0.8in Package weight: 91g / 3.2ounce Notice: This product does not include battery, you need use the USB cable connect with the power to use, please check before order. Packing list: 1 * Temperature Humidity Sensors Package List 1 * Temperature Humidity Sensors