The battery powered ultrasonic bird repeller's package: Model size(max.): 55.5*8.5*6.5cm Color box size: 56.2*9*7cm Qty:24pcs/ctn N.W.: 12 kgs G.W.: 13 kgs Meas:58x44x39cm 20ft' : 6792pcs 40ft' : 14088pcs 40hq : 16536pcs Delivery detail:20 working days after confirmed the order Power source: 4 x d (r20) batteries Name:aosion outdoor battery powered ultrasonic bird repeller animal type: birds, cats, dogs brand:: aosion service environment:: garden, yard, farms, orchard and so on passive infrared area:: about 70 square meters passive infrared degree:: 110 degree output sound pressure :110 db power supply: 4 x d (r20) batteries Output power: 3w Key words: battery powered ultrasonic bird repeller