Features:

Growing seedlings, flowers, bonsai, vegetables, and many other plants in a grow tent, greenhouse, or laboratory is easy with this ultrathin blue LED grow light.
You can hang it anywhere you like with the included hanging kit; Hooks and carabiners make it convenient to hang and remove.
Featuring only 22W and 225 LEDs, this lamp covers 18.3 square feet, making it ideal for grow tents that are 4x4ft or smaller.
Water-resistant body prevents bulb damage from spills; overvoltage and overcurrent protection prevent bulb overheating; and aluminum substrate shell provides excellent heat dissipation.
With three-year warranties on bulbs, the panel can continue to operate even if one LED burns out.

Specifications:

Its overall dimensions are 11 5/16" x 11 5/16" x 3/16" (28.8 x 28.8 x 0.418 cm).
It is recommended that you keep the plant at a height of at least 1ft (30cm) above the ground
Cover 18.3 square feet (1.7m2) with 1 foot above the plant.
There are 225 LEDs in total
Luminous flux of 2475 lumens
Blue light has a wavelength of 450 nanometers
The input voltage should be between 85 and 265 volts, 50 Hz
Input current maximum of 0.4A
The output voltage ranges from 18 to 55V
The output current is 500mA
There is a 22-watt rating
12 hours of continuous work per day is recommended
Waterproof code IP44
It weighs 0.41 lbs (0.9 lbs).

Package Contents:

(1 piece) LED light panel
Four wire hangers
Four carabiners
(One) hook
There is a manual included