Dimension of unit:375*750*35mm(L*W*H) Net weight of unit:225 color: black Operating current: <50mA;

Operating frequency: 22khz

Operating temperature: -5℃ to +55℃

Power: 9v(6F22) alkaline battery, operate voltage 7v-9v

Alarm: video LED $ audio/video LED & vibration

High Sensitivity: detect pin at 30mm, 25 cent coin at 75mm Low Sensitivity: detect 64 gun at 18cm, 6 inches knife at 18cm Packing:30pcs/ctn, N. W:6.75kg/ctn, G. W: 10.5kg/ctn. Dimension of packing: 530*510*290mm