◇ Watt: 5W/7W/9W/11W/13W/18W/24W/36W/40W/55W/65W/96W◇ Base:G23/G*23/2G11/GY10Q-4/GY10Q-5◇Color temperature：5000K/6500K/9000K/10000K/20000K◇Other we have 50-50/ACT 03/colormax/PG etc.◇5000K: Such aquarium lamp great for freshwater aquariums. Enhances colors, makes reds, blues and greens more vibrant. Supports growth of plants requiring low to medium light levels◇6500K: The lamps are dedicated for seawater, reef and freshwater aquariums, provides rich, full-spectrum light which enhance the natural beauty of the aquarium. Perfect for marine invertebrates fish and plants. High-intensity output. Rugged construction for dependable long life.◇9000K/10000K: This quality lamp is suitable for use in both salt and fresh water aquariums. Supports plant growth in fresh water aquariums and coral growth in saltwater aquariums. Its sparkling blue-white daylight rays and bright, high-intensity output. Enhances colours, makes reds, blues and greens more vibrant. Ideal for growth of corals and other marine invertebrates in saltwater aquariums. Great for freshwater aquariums with or without live plants.◇20000K: Purified super daylight lamp that simulates the deeper ocean environment. Casting sparkling blue daylight rays、fish、coral and macro algae thrive in the light. This is the ultimate fluorescent lamp for deep water aquarium. ◇Actinic 03: Lighting with a higher blue component better simulates the softer shades of dusk, dawn and the blue hue of deeper water.Additionally, many marine invertebrates depend on blue light, the wavelength that most deeply penetrates water.◇Colormax: The ColorMax Fluorescent Lamp has color-enhancing phosphors . It offers high-intensity output that enhances the natural beauty of freshwater fish and plants ◇50-50: These full-spectrum lamp enhance color and clarity while providing the tank s Inhabitants with the proper light required for essential biochemical reactions. Idea for salt water and reef aquariums