Built in 1 set of high speed PTZ camera on the top of the light, HD 2.0 Mega, 20X zoom. - Around the light, built in 4 pcs of HD camera, all HD 2.Mega. relize 360 degree covery, without blind angle. - Support 4G max 2SIM binding video transmission, built in antenna. - Support built in hard disk storage, 2 TF card storage optional - Support GPS/BD dual module positioning, antenna built in. - Built in AP hotspot, may connect PAD for controlling of camera, video preview, PTZ, and warning lamp. Also may realize cluster talkback, command scheduling after installation of APP.