Smart Life Tuya Smart Sensor 2400mah Lithium Battery Temperature And Humidity Detector App Control Wifi Measuring range: 40 square meters Measurement accuracy: 0.2C/0.1% Support 12/24 hour system App: Smart Life Battery capacity: 2400mAh Voltage: 5V Battery type: 18650 lithium battery Specifications: WiFi temperature and humidity meter Monitor your heat and cold at all times 12/24 hour system | WiFi function | temperature and humidity | alarm clock Perpetual calendar + clock function Intelligent alarm clock Oversleep easily Through the mobile APP, you can easily set the alarm clock And set the ring time according to personal life schedule Wall mount + desktop placement Suitable for multifunctional scenes There is a lanyard hole on the top of the product, which can be wall-mounted and fixed The back comes with a folding stand, which can be easily placed on the desktop Indicator light + expression comfort Intuitive and vivid early warning mechanism Use indicator light + expression comfort to let you Plan ahead and prepare well Smart Life APP Remote monitoring anytime, anywhere Through the mobile APP, you can remotely monitor and view the calendar Historical data and other functions, allowing you to master it anytime, anywhere Monitor temperature and humidity changes Continuous monitoring of temperature and humidity, cold and warm, dry and wet Clear at a glance, be your small for temperature and humidity Dense opening design Facilitate air circulation and heat dissipation The hole on the back can ensure the sensor and air Full contact can facilitate heat dissipation and reduce false alarms Built-in lithium battery