One of the TOP adjustable saltwater lights on the market.  This light screws on to the back of any tank easily and is great for Nano reefs and promotes coral growth at a price that can’t be beat.

• ADJUSTMENT SYSTEM: Manual dimmer switch to dim the light from 0% to max. 360° adjustable rustproof gooseneck, the clamp is wide enough for 25mm thick glass, plastic screws won’t scratch the tank glass.
• SUPERIOR LED provides equally-distributed illumination, strong penetrability, energy efficient and slim body to produce amazing illumination effect.
• SOLID ALUMINUM HOUSING: Diameter 2.7 inches/7.0cm, suitable for 8″~18″(45 cm) long tank. Default 180 optical lens, plus an optional 60 degree lens for narrower tank
• HEAT DISSIPATION: Asta 20 aquarium led lamp uses quality aluminum cold forging heat sink, efficient cooling system to extend the lifespan of the LEDs.
• CUSTOMER SERVICE: 12 months customer service. Welcome to ask any questions, we will do our best to help you.