If you’re stumbling home from work or from a night out, finding the keyhole can be tricky if it’s dark. If you don’t have external lighting to your home, then perhaps would would benefit from a solar powered keyhole light. The eco gadget has an obvious benefit as giving you a small amount of illumination in a useful place.
The solar powered white LED light highlights keyholes and door handles, and is powered by an integral solar panel. The light is easily mounted using the adhesive pads or screw holes on the reverse. To use it, you simply push a button to activate it and switch the light on.
However, if the light is good enough to be able to find the keyhole light to switch it on, why do you need it in the first place?