Feature: 1. Made of high quality plastic material, firm and durable, not easy to break, provide longer service life. There is a display screen for easy viewing of various data. 2. It has 8 sets of time and brightness settings, timer switches, simulating different brightness switches in nature, and combines a timer and a dimmer into one. 3. The 100-level dimming can meet the light needs of various plants and pets. At the same time, the gradual mode is used for opening and closing to reduce the impact on fish. 4. With night light mode, can increase frequency and reduce noise, industrial-grade LED display digital tube design. 5. Before use, please make sure that the power and power of the bulb is less than 100W, check the interface of the lamp (5.5mm DC lock), and connect the modulator in series between the lamp and the power supply. Specification: Item Type: Aquarium Light Dimmer Material: Plastic Weight: Approx. 58g/2.0oz Color: As picture shown Fitment: for DC 5.5x2.1 interface, for LED lamps, fans, wave pumps and pulse spray pumps driven by constant voltage within 12-36V and 100W.. Package List: 1 x Dimmer1 x Manual1 x Plastic Packing Box1 x Double-Sided Sticker