Electronic Bird Repeller, Coverage Area 900 sq ft, Product Type Ultrasonic Bird Repellent, Targeted Animals Bats, Blackbirds, Crows, Pigeons, Rodents, Seagulls, Mounting Type Wall Mount, Power Source Battery Power, Electric, Volume – Maximum 90 dB, Volume – Minimum 80 dB, Overall Height 6 3/4 in, Cord Length 30 ft, Overall Width 3 1/2 in, Housing Material Plastic, Overall Depth 5 1/2 in, Voltage 110 V AC, Adjustable Volume Yes