Evertech 1/2.9&rdquo; Sony 2.4MP CMOS Sensor 1080P Hybrid AHD CVBS TVI CVI Vandal Proof 36IR LED 2.8-12mm Varifocal Lens White Dome Camera for Security Surveillance Hybrid Board AHD(Analog High Definition), CVBS (Analog), TVI, CVI Resolution: 1080P 2.8-12mm Manual Zoom Lens Press button in different direction for 5 seconds to be related signal 1 Year Warranty only if you purchase from Evertech USA Corp.