i400E current clamp included Capacity (mF): 1 DC voltage (V): 600 AC voltage (V): 600 AC current (A): 400 Resistance (Ω): 40M Detection method: Average rectification (MEAN) Power supply (V): 2 x AA batteries (included) Power supply: 2 X AA电池(包括) 连续使用时间(H):200小时 大显示(计数):6000