4000 count digital multimeter Resistance: 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ Auto power-off function, conductive buzzer range Auto range setting DC voltage (V): 0.4, 4, 40, 400, 450 AC voltage (V): 4, 40, 400, 450 Power supply (v):LR-44(1.5V)按钮电池x 2 宽度(mm):54 深度(mm):12 高度(mm):108 电源:LR-44(1.5V)纽扣纽扣X 2 x 2