... Illumination0 LUX(IR ON) B/WYesIR SensitivityYesIR CutYesLens3.7-14.8mm Auto zoom lensViewing Angle23°-57°(Horizontal)Linux SystemInternal ... NetworkEthernet (10/100 Base-T),RJ-45 connectorProtocolTCP,UDP,IP,HTTP,FTP,SMTP,DHCP,DNS,ARP,ICMP,POP3,NTP,RTP ... aboveSDKSDK-HSecurityThree level administrator, Password protectionTemperature-10°~50°C (14°~122°F)Humidity-10~85% Power RequirementPoE (IEEE802.3af) ...