1. Non-contact sensing technology, all-round detect electric field, and automatic trigger alarm function.
2. Protection grade IP67, can be used for electric testing in the water.
3. With triple alarm modes of vibration, light and buzzer.
4. With 2 gears selection of high or low voltage alarm.
5. It can be connected to use with insulation rods.
6 The alarm power consumption is very small, and the standby time is as long as 6 months