... camera Model:Door station IXApplicable system: JB-304 Villa Access Control SystemKey wordsDoor phone system,access control,door station/camera, ... indoor phone/monitor,security product,video intercom.Features DIY system with PLUG & PLAY connection.Up to 4 door stations ... piece Video resistance somePower supply(adapter)1 piece Screw driver 1 pieceDoor station bracket(VI)1 piece Expansion plug ...