• * Coaxial cables are recommended for video signal transmission, such as SYV-75-3, SYV-75-5, or RG59 cables. • * To use the varifocal analog camera, make sure it is used with our XVR301-04U3-P4, and the XVR must be upgraded to B3520.9.33.241226 or later firmware version. • High quality imaging with 2MP resolution • 2.8mm-12mm motorized lens • TVI/AHD/CVI/CVBS • Supports IR-cut filter with auto-switch (ICR) • LightHunter monitoring with high-sensitivity sensor • 3D noise reduction technology delivers clean and sharp images • Supports 180° horizontal flip, 180° vertical flip • OSD configuration menu, easy to operate • IP67 waterproof and dustproof design, high reliability • OSD configuration menu in 11 languages • Built-in microphone for high quality audio transmission via coaxial cables • Support PoC power supply