Main features:
1.Adopting digital impulse technology.
2.Alarm mode:Red or green flashing lights alarm;Sound alarm.
When turn it on or off, the detector will beep.
When the detector is under voltage, it will alarm.
3.Adopting low energy technology which does no harm to the heart pacemaker, the pregnant woman, magnetic media and magnetic recording materials.

Technology Index:
Power:One 9V battery
Working environment:50KHz +_10%
Outer size:420 *60 * 35(mm)
Weight:300g