The yale alarms hdc 302w 2 indoor dome camera twin pack can be used to extend existing yale cctv kits and is compatible with any cctv system that uses cameras with analogue bnc connectors hd indoor dome camera with 20m 65ft infra red night vision and a 60 viewing angle the cameras are ip55 rated ce marked weee and ro hs compliant specification operating power dc 12 volt 500m a