4PCS 2×4 LED Ceiling Light, 75W Flat Ultra-Slim Dimmable Edge Lit LED Panel Light. LED Panel Light 4Pack 75W 2×4 FT, Recessed Edge-Lit Drop Ceiling Troffer Flat LED. Features: Power: 75W Size: 48” 24” Color temperature: 5000K Input voltage: AC 100-277V Power factor: 0.6 Signifier: 80 Led type: SMD 3030 Shell material: Aviation aluminum Mask material: PS Beam angle: 120 Degrees Protection grade: IP21 Working temperature: – 35? To + 55? LED life: > 50000 hours Energy efficiency grade: A Certification: CE & RoHS. LED Panel Light 4Pack 75W 2×4 FT. This low-profile panel combines powerful LEDs with highly efficient light-smoothing optics to deliver superior quality of light and energy savings year after year. Each unit is a complete luminaire replacement for a 2×4 ft fluorescent troffer fixture. The LED panel light operates within a wide 100-277 VAC range, has a sturdy aluminum alloy frame with a white finish, and is designed to last 5 times longer than fluorescent panels. Excellent for use in offices, Schools, health care facilities, kitchens, and workshops. The 2×4 ft LED panel lights make them ideal for retail stores and showrooms. The panels come on instantly with no flicker, buzz, or dark spots over the life of the fixture. These edge lit LED panel lights run cool, helping to keep your air conditioning bill low while providing 50% more lumens than traditional fluorescent tube light. LED panels are easy to install as drop ceiling lights or suspended as free-hanging fixtures. They are maintenance-free during their 50,000 hours average operating life. Package Include: LED Panel Light 4Pack 75W 2×4 FT. 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.