... with the past aquarium lights, the biggest advantage is waterproof, smaller size, bigger light area, no noise, easy installation and removal, and ... ; blue: 460-470nm; Rate: 1:1 (white: bule).15.Waterproof LED Aquarium Light with 2pcs power cords and 2pcs power switch, controlling with ... =1:1 Working Environment: 45%~90%RH; -20~+40°C Waterproof grade: IP68 9W LED Waterproof Aquarium Light