TOM Perch-Light Compact Fluorescent Aquarium Lamp 6400K daylight fluorescent light fixture enhances the colors of both fish and plants Simulates bright light on a sunny tropical day Fits any 1/8-inch acrylic wall aquarium Ideal for small plastic aquariums. Dimensions: 9" L x 3" W x 4" H If we can be of any help please do not hesitate to contact us at customercare@kollerproducts.com, we'll take good care of you