The M2500-WSRBA is a all in one Smart Underwater Photo / Video light, build-in 2500 lumens Flood Video light, 300 lumens Snoot Light, 200 lumens Red focus light and 6W Blue light. The light support Auto Flash-Off (Shuts off light automatically for half a second when strobe is fired ). Build-in battery level indicator. Two Push Button easy operation with one hand. Comes with a YS mount, easy installation to your camera arm system.