Promazone(TM) Outdoor Yard Solar Ultrasonic Mole Gopher Rodent Pest Repeller with 2 Red LED Light, 2 Count Effective: Works 24 hours to emit sonic pulses and vibrations to keep moles, gophers, voles, badgers, mice, snake,ferrets and mongoose away from your lawn, gardens and yards, farm, orchard forever Ultrasonic Multi-Pulse: Send out 5 models sonic waves in 30 seconds,35 seconds, 40 seconds,45 seconds,50 seconds. Radiates in all directions with frequency of 400HZ to 1000HZ and effective range of 7000 square feet or 650 square meters Solar Economical: Powered by a solar cell, no need for extra batteries. Please Choose the best sunshine location, so the solar panel to can receive the sunlight as directly as possible LED light: light up your gardens without interfering with the repeller Non Toxic and Safe: No Poison, No Chemical.This item don't have any effect on children and household pets