Model Number: 2x2' 54W Led Panel Light Brand Name: Wowin Key Specifications/Special Features: 5 years warrant TUV CE Pass LED panel light＊Side Emitting, 9mm thickness, weighs less than 10kg / square meter＊Luminous uniformity, one square feet uniformity> 90%＊With special process, the luminous efficiency is generally 3% higher than similar products in the market＊With high quality 0.2W Epistar SMD2835 LED, Lifespan>50,000h＊Different color temperature for your option，3000K 4000K 5000K & 6000K＊Beam angle:﹥110° RA﹥80 IP44 CLASSⅡ＊High efficiency constant current 0~10V dimmable power supply, 0-100% dimming, PF> 0.9