Sonic Pest Repeller Transonic PRO Specifications Dimensions: 6" x 3" x 3" Weight: 3 pounds Coverage: Up to 3,500 square Feet Power Consumption: Less than 5 watts Power Input: 9v (150 mA) Adapter/110 or DC via battery or cigarrette plug Frecuency: 3-40 kHz Sound Pressure: 96 dB at ½ meter Includes Unit: AC Adaptor with cord, complete instructions. Buy It NOW 110 v