... , CE,SGS,RoHS,FCCProduct DetailsFunction and Character 1, 6 independent detection zones.,No blind area and each spot of ... .3, Alarm : Audible tone , Bright LED Visual alarm 6 independent distributing search coverage and acousto-optic alarm when target ... There are 10000 flexibility degrees in each detective area. 6,Complex circuit, infrared installation and computer automatic identification decrease ...