lighting a 50 g Oceanic Show Tank

[thumper_65590]

I am looking at new lighting for my 50 gal community tank. I am planting low light plants and christmas tree moss. The tank is 12 inches wide, 48 inches long, and 19 inches deep. I will have sand substrate at a depth of 3-4 inches. I am looking at this light fixture. tell me what you think.
http://www.aquatraders.com/ProductDe...56269&CartID=2

BeamsWork Bright LED Light Fixture 48" (FW/ Planted) (TR)


Fixture Size: 48.00" x 5.00" x 1.00" (Add 0.65" in height with bracket installed)
LEDs Count: 54
3340 Lumens
Super energy efficient 1 watt HQ LEDs
46x 6,500K LEDs
8x 6,500K LEDs
Use 54 watts


Features:
Slim, light weight and contemporary design
A three ways toggle on/off switch functions as (1) All 6,500k LEDs as daylight, (2) Off, & (3) Smaller # of 6,500k LEDs as lunar & star light
OEM Timer Ready
Extends to 54" or more in length with bracket installed
Splash guard