Aquarium LED Light Dimmer Timer Controller Fish Tank Sunrise Sunset Modulator Feature: 100 - level dimming to meet the requirements of various plants and pets for light.At the same time, both open and close use the gradient mode to reduce the effect on fish. Timer switc h, simulate the different brightness switc h of nature. Combine the timer and the dimmer into one Check the interface of the lamp (5.5mm DC master lock), and connect the modulator in series between the lamp and the power supply Sunrise and Sunset - Our 24-hour aquarium light timer simulates sunrise and sunset. Adjust the light brightness freely to give your fish a regular lifestyle. LCD screen - Ultra-thin LCD screen with a viewing angle of up to 180 ° (horizontal and vertical) for a wider viewing area. The brightness of the display is even and soft, which does not affect your eyesight. Compatibility-Our aquarium lamp dimmer is suitable for most of aquarium lights with inputs and outputs of 12-24 V. Applicable power range :3-100W-the PWM frequency is 39K Memory - The internal memory stores its pre-programmed settings in the event of a power failure Adjustable brightness Compatible with 5.5mm female x 2.1mm male power connectors, can also be used as a dimmer, the brightness can be adjusted from 1 - 100% Specification: Compatibility-Our aquarium lamp dimmer is suitable for most of aquarium lights with inputs and outputs of 12-24 V.Applicable power range :3-100W This Aquarium lamp Timer cannot use for Sea aquarium Do not exceed the voltag e and power range during use.Input Voltag e: 12v 24v; Output Voltag e:12v 24v; Power:50w 100w It cannot use in Constant Current and Alternating Current(AC) Package include: 1 Piece * LED Light Dimmer