The IPC-HDW4100SP is an IP Dome Camera from Dahua  that comes with 2 lens opions: 2.8mm and 3.6mm.  1/3” 1.3Megapixel progressive scan Aptina CMOS H.264&MJPEG dual-stream encoding Max 25/30fps@1.3M(1280× 960) & 720P(1280× 720) DWDR, Day/Night(ICR), 3DNR,AWB,AGC,BLC Multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS 3.6mm fixed lens (2.8mm,6mm optional) Max. IR LEDs Length 20m IP66, PoE Brand Dahua Technology Model Code DH-IPC-HDW4100SP Chip Inch Size 1/3 Colour Type Colour / Monochrome Resolution TVL 1.3 MP HD Yes Megapixel Yes Dome Type Static Sensitivity lux 0 Digital (DSP) Yes Focal length 3.6 mm Compression H264 / MJPEG Back Light Compensation Yes Auto Gain Control Yes White Balance Yes Electronic Shutter range 1/3 ~ 1/10000s S/ N (Signal/ Noise) Ratio dB > 50 Signal Mode PAL Built-in IR LED Yes Electrical Specifications Voltage: 12 V DCPower Consumption: < 5 W Network Properties Interface: RJ-45 (10/100Base-T)Network Protocols: IPv4/IPv6, HTTP, HTTPS, SSL, TCP/IP, UDP, UPnP, ICMP, IGMP, SNMP, RTSP, RTP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter, QoS, Bonjour, Image Frame Rate: 30 fps Physical Specifications Dimensions mm: 114 x 86Weight g: 400 Environmental Specifications Operating Temp oC: -20 ~ +60 C (-4 ~ +140 F)Operating Humidity %: 0 ~ 95Protection: IP66 Model Info Dahua Technology DH-IPC-HDW4100SP is a 1.3MP day/night HD IR IP dome camera. The camera features H.264 & MJPEG dual-stream encoding, multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS.It also features DWDR, 3DNR, AWB, AGC, and BLC.