MT-903 Mini 1.6" Temperature / Humidity Thermometer / Hygrometer - Black + Blue
Measuring range: Humidity: 0%~100%RH; Temp.:-30~70'C(-22~158'F); Humidity Accuracy: 20%~40%RH: +/-3.0% 40%~60%RH: +/-2.5% 60%~80%RH: +/-3.0%; 80%~100%RH: +/-4.0%; Temp.Accuracy: -30~-10'C(-22~14'F): +/-1.0(+/-1.8) -10~70'C(14~158'F):+/-0.5(+/-0.9 ); Resolution: 0.1; Operating conditions: -30~60'C;10~90%RH; Storage conditions: -30~60'C; 10~85%RH; Display: 3 1/2 digits LCD display; Dimension(L x W x H): 165 x 55 x 38mm; Weight: 88g; Power supply: 1 x 9V battery.