... transient protection. 2 Megapixel Speed Dome HD Network Speed Dome Camera2 Megapixel 1/2.8" CMOS 5" HD Speed Dome, Resolution: 1920(H)× ... CompressionG.711 / 16kbpsAudio ModeOFF/Audio Input/Audio OutputProtocolTCP/IP,HTTP,DHCP,DNS,RTP/RTCP,PPPoE (FTP,SMTP,NTP ... DimensionΦ220×299.2mm(outdoor)Φ183.4×247mm(indoor) Φ245×240mm (in-ceiling)Weight5kg 2 Megapixel Speed Dome HD Network Speed Dome Camera