This light panel is designed for long narrow top opening tanks, usually a 20g fish tank that's only 12" high.  For low displays (only 12" tall), use the included dimmer to help mitigate heat issues. 

Four custom spec black flexible LED strips that combine white diodes running at 6500K and 3500k, as well as red and blue diodes mixed in for better plant growth.

This single light panel comes with:

• one 60 watt driver
• one manual dimmer switch
• one 6 or 10 foot connection cord

Dimensions (width and depth are within 1/4"):

• 18" inches wide
• 6" front to back
• .70" high

* All products are UL listed and RoH compliant

* All lights come with a 30-day money back guarantee.  If you don't like it and the light is undamaged, pay for return shipping and get your money back.