Propose, Supply & Install one lot of Audio/Video Intercom System comprising master and slave stations,EM-Lock and related interconnecting cables as shown c/w two way communication between the entrance, main/side door(please refer to drawing for the intercom location).necessary accessories and. all outdoor equipment shall be IP 65 weather-proof. The system shall be . complete with necessary cabling and wirning, conduits lead-in pipes, testing,commissioning , etc. and associated accessories. (system are subjected to client and consultant approval) (supplier subjected to client / consultant approval) (Refer to Annex A technical specification and deem included)