TP-Link TL-SC3171 Day/Night IP Surveillance Camera, Night Vision, 640x480 CMOS 1/4 progressive scan CMOS sensor produces clear and crisp images Mechanical IR-cut filter removable for true day/night surveillance Standards and Protocols: Bonjour, TCP/IP, DHCP, PPPoE, ARP, ICMP, FTP, SMTP, DNS, NTP, UPnP, RTSP, RTP, HTTP, TCP,UDP, 3GPP/ISMARTSP Image sensor: 1/4 Progressive scan CMOS sensor Lens: F2.0, 4.3mm Digital zoom: 10x Digital Min Illumination: 0.5 Lux (0 Lux when IR On) IR working distance: 10 meters (33 feet) Day/Night Mechanism: Mechanical IR cut filter removable; 12 IR (Infrared) LEDs Video compression: Motion JPEG; MPEG- 4 Frame rate & Resolutions: Upto 30(NTSC) / 25(PAL) fps at 640x480, 320x240, 160x120 Video streaming: Simultaneous Motion JPEG and MPEG-4 (Dual streaming)