•1.5 inch LCD display, the monitor data can be clearly read •Built-in advanced Sensirion temperature and humidity sensor from Switzerland, sense subtle change of temperature and humidity •Built-in CR2032 button battery for one-year standby •Works with Mijia APP: via Mijia app to switch on humidifier when indoor humidity is too low and air-conditioner when indoor temperature is too high •Intimately designed baby mode to give you and your family a smarter guardian •Cute cartoon expression to spell over comfort level, very cute and simple •Adopts ABS environmental material, durable and long lasting use •Comes with a wall sticker to makes it can be placed wherever you want Specification: •Model: LYWSD03MMC •CMIIT ID: 2019DP8115 •Material: ABS, PMMA •Size: 43x43x12.5mm •Battery: CR2032 (installed) •Operating voltage: DC2.5V - 3V •Wireless connection: Bluetooth-compatible 4.2 BLE •Temperature monitor range: 0℃ - 60℃ •Humidity monitor range: 0 percent - 99 percent RH •Temperature display resolution: 0.1℃ •Humidity display resolution:: 1 percent RH •Executive standard: QB/WSDJ 2401-2019 Package included: •1 x XIAOMI Mijia LYWSD03MMC Bluetooth-compatible 4.2 Thermometer Hygrometer Second Generation •1 x Chinese User Manual •1 x Wall Sticker