From Ener-J this 1 gang wireless kinetic switch is from their Eco Range (receiver must be purchased separately). This product requires no batteries and no power connection and runs solely on kinetic energy. It functions both a non-dimmable and dimmable switch and is IP67 rated making it suitable for outdoor use. This product comes with a 2 year warranty and has a life of up to 50 years. With no junction box required this product can be mounted on all surfaces.