Use against moles,voles&other burrowing animals.
Emitting low frequency sound,which vibrates the ground in a circular pattern.
The vibration will be blocked by solid objects,such as building foundations.
Cover extends in a circle from the unit.
Covers up to 800 square meter.
Superior aluminum casing with durable plastic head & top.
Power supplied by 4*D cell(1.5v) batteries,up to 4-6 months working.

*Batter slot included,you can easily change the batteries without pull the
whole product out of the ground,it's more convenient.