Basic specificationsProduct model numberLYWSD03MMCProduct materialsABS, PMMABattery modelCR2032 (installed)Temperature measurement rangeFrom 0℃ to 60℃Humidity measurement rangeFrom 0% RH to 99% RHStandardsQB/WSDJ 2401–2019CMIIT ID2019DP8115Product Dimensions43*43*12.5mmOperating voltageDC 2.5V – 3VWireless connectionBluetooth 4.2 BLETemperature display resolution0.1°CHumidity screen resolution1% RH