speed dome 1,has graceful outlook, 2,Vandal proof available 3,Built-in Alarm,7 inputs/2 outputs Imager Sensorsony 1/4'' type exview HAD ... on ,80c+30c off(Outdoor dome)PowerAC 16-30 VConsumption15w for indoor dome ,45w for outdoor domeCommunicationRS485,UP-THE-COAX standard high Speed dome