... Temperature -> 20°C ~ +60°C, -4°F ~ +140°F4) Resolution: Humidity -> 0.1%RH, Temperature -> 0.1°C, 0.1°F5 ... ) Accuracy: Humidity -> ±2.5%RH AT 25°C, Temperature -> ±0.7 ... °C, ±1.4°F6) Response time: Humidity -> 75 SEC. IN SLOWLY MOVING AIR, Temperature -> 40 sec. in ... L) X 15 (D)mm15) Weight: APPROX. 300g (including battery) Humidity Temperature Meter