SANFIX WT83B / WT-83B / WT 83B Humidity & Temperature Meter

SANFIX WT83B (Bluetooth Type) Humidity & Temperature Meter Mini Humidity & Temperature Meter designed with a fashion, small and portable appereance (App is just for bluetooth version only). With safe and reliable performance stability, a low power comsumption and high precision, etc. Specification Bluetooth function : (with mobile App) Surrounding temperature : -20C - 70C (-4F - 158F) 1C RF range : 0% - 100% RH, 4% RH Dew point range : -20C - 50C, 2C With bulb range : -20C 50C, 2C Max response time : 30s Battery : 3 x 1.5V AAA battery Size : 187 x 56 x 36mm