SIP Intercom with one Button (Video & Card reader)

1.Body material: all-aluminum 2.Camera: 3M pixels, automatic lighting,Wild-angle camera: 110º 3.RF Card Reader 4.Output Relay: 2 output relays for door opener 5.Water-proof & Dust-proof: IP65 6.Installation: Wall-mounted 7.PoE (IEEE802.3af, Power-over-Ethernet); 8.Two-way audio communication over IP networks with Echo Cancel feature; 9.Complies with SIP standard for easy integration in every SIP capable PBXes;