35 | 40 | 45 | 50 Watt Power and Color Adjustable 2X4 back lit flat LED panel produces 5202 | 6896 | 6501 | 7092 lumens at 148 lumens/watt. It is designed with a corrosion-resistant aluminum frame. You can choose 3000K or 3500K or 4000K or 5000K color temperature. It also features a 1-10V dimmable driver with low voltage protection, short circuit, and circuit overload protection all built-in. The anti-yellowing Polycarbonate lens/diffuser provides uniform light distribution with minimal glare. It comes with 100V-277V LED Driver. This fixture can be recessed mounted for drop-in grid ceiling installations. You can also suspend it with wire (not included) using attached clips. The clips allow the fixture to be locked into the grid, ideal for areas that are prone to earthquakes. These panels are Damp location-rated. They are indoor-only fixtures and can operate in temperatures ranging from -14°F to +104°F. MOTION SENSOR: Adjustable detection area, hold time, daylight sensor, stand-by period, and stand-by dimming period. The fixture can be set by adjusting dip switches on the unit or the optional remote control unit.