The Pest-Stop (Pelsis Group) Solar-Powered Mole Repeller emits a frequency of varied sonic pulses into the ground in a circular pattern to deter moles. An environmentally friendly solution, with no chemicals or traps. Safe for use around humans, cats, dogs, fish and birds. Constructed with high-quality ABS and PC plastic that is IP67 rated waterproof, resistant from both rain and moisture in the soil. Powered using a high-quality solar-powered, rechargeable 2200mAh lithium battery. A full charge provides up to 25 days of use. Specification Coverage up to 650m