LEMONBEST Super Bright 3 Watt Fish Tank Clamp Light 48 LED Water Fish Plant Tank Aquarium Clip Lamp Power: 3W.Input voltage: AC100-240V 50-60Hz Output voltage: 12V Recommended aquarium tank size: 30-60cm Works for rimless, glass only tanks; Can stuck the thickness around 1CM, thickness of general aquariums is between 0.5-0.7CM 3 Mode: Only blue light on, all white & blue light on and closed It have Flexible lamp arm, Easy to rotate at any angle to put the light where you need and can be used for Aquarium Fish Tank Water Plant and Daily Lighting.