2-wire SIP Intercom with Keypad and RF card reader

2-wire Intercom with Keypad and RF card reader
1.Front panel：Aluminum alloy
2.Output Relay: 2 output relays for door opener
3.Water-proof & Dust-proof: IP65
4.Wide-angle camera: 120º
5.Two-way video communication over IP networks with Echo Cancel
6.Complies with SIP standard for easy integration in every SIP PBX
7. Support connecting with C313W-2 or NS-2 through 2-wire cable
8. Installation: Flush Mount