7x3W High Power LED Underwater Fountain Light 1,Aluminum Die-cast Shell 2,High Effect Heat Sink 3,Be Fit for Swimming Pool 7x3W High Power LED Underwater ... water until 3m deep.4,Lightig source adopts high quality RGB and WY LED, single or several colors can be chosen.5 ... pool, fountain, aquariums, recreational facilities, park and so on. 7x3W High Power LED Underwater Fountain Light