4 Pack 2X2FT LED Recessed Panel Light 45W 5400LM Flat Drop Ceiling Troffer Light. Our factory is founded in 2009, with the biggest workshop and laboratory, is a high and new tech enterprise which specialized in research, design and develop LED products. Nearly 11 years experience on researching led lights. Dimension: 23.75” (L) 23.75′. Kelvin/color: 5000k (Cool white). Flood angle: 120 degrees. Voltage: 120 – 277V. Lifetime: 50,000 hours (45.7 yrs, when used 3 hrs/day). Dimmable: yes, 0-10V Dimmer. 2×2 LED Flat Panel Light 45W. Good Quality —With a color temperature of 5000K and a lumen of 5800 lumen, powerful and efficient light-smoothing optics provide superior light and energy year after year. The panel illuminates immediately and there is no flicker, hum or black dot throughout the life of the luminaire. Low Heat —These edge-lit LED panel lights run cool, helping to keep the air conditioner low while providing 50% lumens compared to traditional fluorescent tubes. Application —A simple and convenient flat panel LED ceiling light, can be installed into your drop ceiling, utilized with a surface mounting kit, or hanging from the ceiling with ease. Ideal for homes, hospitals, schools, shops, supermarket, office, or any place requiring a highly efficient LED light panel. Long Lifespan —Designed for use at 100-277VAC, with a rugged aluminum frame and white finish, this LED panel light has a design life five times longer than a fluorescent panel. 4 Pack 2×2 LED Flat Panel Lights 75W. For order cancellation, please inform us within 7 days. We do not accept P. BOXES – PLEASE PROVIDE A PHYSICAL ADDRESS. If have any question with your order. We accept 30days return and 24/7 customer service. All product based on high power. We never stop doing improvement on our products and testing the functions. Safety Matters–High quality materials, Heatproof Tube, NO risk to catch fire. Adopting isolated power supply, Safe & easy to maintain and keeps long life span, good quality with affordable price. US/UK/DE warehouse and repair center are available. Therefore, your feedback is extremely important to us. Please leave good feedback to us if you are satisfied with our goods and service. We care about valued customers, and will always do our best to help you. Please give us an opportunity to reserve any problem. We understand the concerns and frustrations you may have, and will do our best to solve the issues. We will help you solve the problem.