Name :multi apartments video door phone Brand :Saful Model No. :TS-803MZ Discription:2 to 12 multi apartments video door phone Gross Weight :8apartments: 10.5kg Packing Size :570(W)*385(H) *225(D)MM Feedback Specifications 7'' wired video intercom system 1.Professional factory 2.night vision 3.designed for 4 apartments 5.night vision http://www.doorbellalarm.com/