Digital Battery Tester * Big LCD display for easy reading* Auto power off* Dimensions: 89x27x28mm* Test batteries of full size: C, AA, AAA, D, N, 9V 6F22 and 1.55V button cell* Operation Temp: -5°C~40°C* Storage Temp: -20°C~70°C* One 1.5V button cell (included)* Material: ABS plastic Digital Battery Tester