Power supply: 2 AAA batteries (included) Dust and waterproof: IP30 Maximum display: 6000 count 301A: no test leads AC current 400A/AC voltage 600.0V/DC voltage 600.0V/resistance 600Ω to 60kΩ/capacitance 99.99uF to 999.9uF AC current (A): 400 直流电压(v):600 电阻(ω):60k