Auto power-off: Approximately 10 minutes Leak current (mA): 40 AC current (A): 100 Power supply (V): 2 x AAA batteries (R03) (included) Detection method: Average rectification (MEAN) Width (mm): 81 Depth (mm): 32 Height (mm): 185 Power供应:2 x AA电池(R03)(包括) 连续使用时间(h):40 大显示(计数):4000 大测量导体直径(mm):4000