Easy to home analog multi-tester Illustrated display for convenient range setting DC voltage (V): 30 AC voltage (V): 150, 300 Power supply (V): 1 AA batteries (1.5V) x 1 Width (mm): 69 Depth (mm): 32 Height (mm): 100 电池检查:1.5V(AA到AA,纽扣电池,9V层压电池) 连续性检查:蜂鸣器声音约50Ω或更少 电源:1 AA电池(1.5V)x 1