AC Voltage: 12V~1000V(High sensitivity) _x000D__x000D_
48~1000V(Low sensitivity) _x000D__x000D_
Frequency:50/60Hz _x000D__x000D_
Alarm mode: Sound and light alarm _x000D__x000D_
Flash light : White LED _x000D__x000D_
Low battery indication _x000D__x000D_
Auto power off _x000D__x000D_
Switchable battery cover _x000D__x000D_
Auto distinguish the Live line and Neutral line _x000D__x000D_
With 2pcs LR03 AAA batteries _x000D__x000D_
Packed by double blister