Video intercom SIP 2.0 with 1 voice channel (2W speaker) with 2 control buttons of an electric lock. HD camera 1280 x 960 (H.263 +, H.263, H.264, MJPEG) integrated. Power 802.3af (PoE) 8-12 V / 400 mA DC or adapter 230 V ± 10%, 50/60 Hz / 12 V DC for DC power supply 12 V / 2 A DC. Operating temperature: -40 to +55 ºC. IP65 IK07.