This product adopts high sensitivity detector, integrated circuit and SMT technology; It gathers

automatic,convenient, safety and practical function; The wide detection range is made of up and down, left and

right service field. It utilizes human motion infrared rays as control signals, when human enter detection fields,

it will start the sound system (dingdong, alarm) to call attention that person enters detection fields; It could

protect you all-weather and it will give safety you never have for your family and travel ; Its using range is wide

and its installation is easy.