[Automatically On and Off]- Photocell sensor was built in, the IR illuminator automatically switch on at dusk and switch off at dawn, it’s energy saving style. Wave length 850nm Infrared light, improves compatible camera image quality in low-light situations and in complete darkness | [Premimum Structure and Materials]- Use EPISTAR LED light source, heavy duty aluminum housing and thick heat sink, reinforced glass window, stainless steel screws, It’s good for both indoor and outdoor use. The waterproof level is IP66 | [90 Degree Wide Angle]- It’s real wide angle IR flood, no light spot, better light up your camera’s viewing range, and provide you good night vision image, suitable for outdoor and indoor use | [Installation]- Please install the IR light beside the camera and point the same direction as your camera. Please make sure that your camera is work with 850nm ir light before buy. You’ll get full package includes infrared illuminator, 12V/1A adapter, installing screws and user manual | [Attention]: The length of power supply which come with IR illuminator light is 6ft, if it was not long enough, you can order an extension cord from us, they will works well, you can search ASIN [B07D6J2FGD] on amazon, it will reach the distance you want