Electronic Bird Repeller, Coverage Area 1 acre, Product Type Bird Deterrent, Targeted Animals Blackbirds, Cormorants, Crows, Grackles, Pigeons, Seagulls, Sparrows, Starlings, Swallows, Woodpeckers, Mounting Type Wall Mount, Power Source Battery Power, Solar, Volume - Maximum 110 dB, Volume - Minimum 105 dB, Overall Height 8 1/2 in, Cord Length 6 ft, Overall Width 4 in, Housing Material Plastic, Overall Depth 6 in, Voltage 110 V DC, Adjustable Volume Yes