Dimensions: 7” x 6” x 4”Box dimensions: 10" x 8" x 4" / Shipping weight: 3 lbsFrequency: 15–25 kHz (adjustable) Sound Pressure: 90 dB at 1 meter Electricity Costs: Less than $0.25 per month Compliance: EPA Est. 058480-TWN-001. CE marked Motion Sensor Range: 35’ x 70’ Working Current: <200mA Power Supply: 4 x 1.5V “C” batteries or 120vAC adaptor. Other voltage adaptors should be purchased locally. Unit switches to battery power during a power failure (if batteries are in). All versions of AC Power Cord are 30 ft