... 18SW480TVL 18X Optical Zoom Wi-Fi Wireless IR Constant Speed Dome IP Camera 3. Technical Parameter CameraSensor type1/4" SONY CCDGain ... / Contrast / Saturation / Chroma adjustableAudioCompression standardG.711Audio InterfaceOne audio input and outputNetworkNetwork protocolTCP/IP,HTTP,ARP,RARP,ICMP,DHCP,DNS,DDNS ... consumption< 55W 18x zoom outdoor constant speed wireless true day and night camera