3/9/12 Timer Setting: Set the time according to your needs, cycle timing, you only need to set the fish tank light once, and it can be automatically turned on/off every day (unless you want to reset the timer function, don't manually turn off the lights or cut off the power) 3 Lighting Modes &10 Levels of Brightness: You can literally create any lighting effect you like. Make your aquarium more beautiful and promote aquarium plant growth. 48PCS Led Light Beads: This mini aquarium light is soft, the color rendering index is close to natural light, protecting eyes and fish. ( Adapter NOT Included ) Durable and Long Life Aquarium Clip Lights: Solid metal enclosure, compact mount, smooth easy swiveling goose neck, long service life, easy to maintain.Clip style bracket, Ideal for 1 to 5 Gal Tank with under 0.11”-0.3” rim. USB 8W 5V Safety & Energy Saving: The fish tank light features a moisture resistant PC splash guard to guard against any water mishaps. There is no need to worry about damage caused by leakage. aquarium light fish tank light 【Aquarium Light for Nano Tanks】 Which is designed to clip on 1 to 5 Gallon aquariums, you can adjust the color and brightness separately to suit your needs. DC powered, it can be used to any adapter with USB interface. ( Adapter NOT Included ) 【Enhance Fish Color】 The light has a set of 48 LEDs that is beneficial to illuminate your tank and enhance the existing fish colors. Easy to use, one button to select the Color Mode: All LED on, white LED on, or Blue+Red+Green LED on. 【Dimmable LED Lighting】 Two dimmer buttons which allow you to increase or reduce the brightness of the lights according to your setup. Featuring a moisture resistant PC splash guard to guard against any water mishaps. 【Quick to install】The fitting is a simple clip bracket with a screw for tightening it. Flexible gooseneck is going to reach the middle of the tank.