Features:- Suitable for all 12 / 24v car battery installation, such as cars, motorcycles, buses, boats, RVs, boats, trailers, etc.- Ultra high and luxury switch with LED indicator light.- High quality, made of environmentally friendly anti-retardant .- 12-24v car universal voltage; suitable for conversion control car people all equipment.- Output circuit protection, overload protection, reverse polarity protection, multiple protection, safety to use.