TentLED is a new security lighting device for camping, developed to prevent guy line tripping (which accounts for 3000 annual first-aid visits in the Netherlands only). The internal green LED lights up the entire product in the dark. It adjusts light intensity depending on the environment light and thus blends in with the natural environment. Waterproof and shock resistant, it is designed for a very simple attachment to any part of the camping tent guy line without unfastening it. TentLED is turned on and off by means of a light sensor and automatically shuts down when stored.