Talk about an accent wall! The most versatile and easy to use LED pool wall light creates an exciting color-changing water show. Pool light easily attaches to a steel wall and soft-side pools with no tools or wiring needed. Advanced remote control provides 16 different color modes and 4 color-changing modes. 25% brighter than previous models. Unit has a magnetic clip that attaches to above-ground pools only. Will not work for an in-ground pool. 4" diameter.