Noted: 1. At least DC 12V 2A power adapter is required. If there is no video or IR leds is not working at night, please use DC 12V 3A( or 5A) power adapter, which could be purchased from Eversecu store. Which power supply is needed depends on the power cable length and quality. 2. Please test the camera by connecting camera to power adapter and DVR directly before installation. 3. Power supply, coaxial video cable and DVR are NOT INCLUDED but REQUIRED. 4. Default mode: 1080P AHD video format. 5. Power on the camera, then switch to the corresponding video format that your DVR support. 6. 1080P HD modes(TVI, AHD, CVI) do not compatible with 720P or 960P DVR. 7. Peel off the protective film on the lens and glass panel before installation. Specifications Image sensor: 1/2.9" Sony EXMOR CMOS image sensor Effective Pixel: 1920*1080 in HD mode Lens: 2.8-12mm manual zoom megapixel lens S/N ratio: =50dB Infrared LED: 42µ x 4PCS with 100-130 feet IR distance. Camera feature: Day/Night; Auto/Manual White Balance; Auto/Manual Gain control; 3D Noise Reduction; Picture adjustment; DWDR; OSD support; UTC support (HD mode only) Housing: Metal, IP66 Power Source: DC12V±10%; 2000mA Operation Temperature: 14F-122F, RH95% Max This 4-in1 camera is fully compatible for the following HD DVRS: Hikvision, Dahua, GW, LTS, Q-see, Swann, Samsung, Night Owl, Best Vision, HD View, HQ-CAM, Annke, Aposonic, I-DVR Pro, Vonnic, Digital Watchdog, Logisaf, Sannce, Venetech, Speco, Alibi, KT&C, Cantek, and many more. If the camera mode do not match your DVR. Press OSD Joystick "DOWN" 5 seconds,if still no picture come, try to press "LEFT" "RIGHT"UP" for 5 second, till the signal matching your DVR.4 MODES VIDEO OUTPUT: 1080P HD-TVI, 1080P HDCVI, 2.0MP AHD and 960H. Power supply, coaxial video cable and DVR are NOT INCLUDED but REQUIRED. if you need a dvr, please search : B07DQ7T573. 4 MODES OUTPUT: 2 Megapixel HD-TVI, 2.0MP HDCVI, 2.0 MP AHD and 1200 tvl wired BNC video output. GREAT LOW LIGHT IMAGE: SONY Exmor image sensor with NIR and LOW ILLUMINATION technology applied, it performs great image with little ambient light. ENHANCED NIGHT VISION: Latest tech anti-reflection black film panel, IR filter and upgraded Led with 100-130 feet Long range IR for superior image at night.