Specifications 1. Measuring range: Temperature: 0C~+50C(+14F~122F); Humidity: 15%~95%(RH)2. Accuracy: +/-1C(1.8F)at the temperature of 15C ~35C(59F~95F); +/-5% at the temperature of 15C ~35C(59F~95F) and the humidity of 40%~80%, +8% at the remaining range. 3. Resolution: Temperature 1C(1 F); Humidity 1%. 4. Unit size: 53(L)x39 (W)x16(T)mm5. AG13 or LR44 batteryCapacity Temperature: -10C/14F~ 60C/140F Humidity: 20%~95%(RH) Company: I-Cute Technology Ltd.