These elegant, super thin Clip-On LED Lights will provide optimal lighting for a bright, thriving environment. Each light is equipped with a soft-touch switch and a versatile mounting screw, for use on framed and frameless aquariums. Both are loaded with blue and white LED and designed for use on aquariums up to 20 gallons in size. Available is the Freshwater Clip-On Light that features 21 bright LEDs for shimmering illumination and is ideal for freshwater aquariums. Also available is the Planted Aquarium Clip-On Light with 60 bright LEDs designed to help support and grow lush plants.