Power supply: 1 3VCR2032 battery (included) DC voltage: 0 to 600V Resistance: 0 to 20MΩ AC voltage: 0 to 600V Induction test: Buzzer with a buzzer of about 50Ω or less Accessories: 1 3VCR2032 battery (built-in), book-type carrying case, instruction manual 直流电压(v):0至600 ac电压(v):0至600 电阻(ω):0至20m width(mm):110 深度(mm):20 高度(MM):190 :190