Poolmaster Swimming Pool and Spa Floating LED Light, Multi Color For use with above-ground or in-ground pools, and features remote or manual controls Waterproof LED light illuminates pool water with four optional color settings Magnetically attaches to above-ground pools with vinyl or steel sides and designed with waterproof seals and non-corrosive materials Can float facing up or down in any body of water and can be controlled remotely or manually LED light requires 3 AA batteries (sold separately). Remote control batteries are included