Disclosed is a dog leash having intelligent lighting to improve safety. In one aspect, the dog leash includes a central cavity holding a retractable leash and an extension sensor to detect when the retractable leash is extended beyond a threshold distance. The dog leash also includes an ambient light sensor to detect a surrounding light intensity. In addition, the dog leash includes a set of lights to automatically illuminate a dog being walked by a walker, a perpendicular area, and/or the walker themselves when the extension sensor detects that a leash is extended beyond the threshold distance when the ambient light sensor detects that a surrounding ambient light is below a threshold value using a processor and a memory of the dog leash.
