Features: Special shape design: beautiful square appearance. With 180 degree beam angle and send out light evenly. Downy light: can protect people's eyes. Aluminum alloy material: good to dissipate heat and prolong its lifespan. Safe power interface, and easy to install and dismantle. Environmental protection and energy saving. Wide application range: can be installed on ceilings or walls in meeting rooms, hotels, dance halls, offices, homes and so on. Specifications: Type: panel light Color: white Material: aluminum alloy Luminous flux: 1600LM Beam angle: 180 degree Wattage: 18W Emitting color: pure white LED source: 90 SMD2835 LEDs LED power supply: input voltage: AC86-265V, output voltage: DC62V, frequency: 50/60Hz Light size: 22.4 * 22.4 * 1.3cm/ 8.8 * 8.8 * 0.5in Hole size: 19.7 * 19.7cm/ 7.7 * 7.7in Light weight: 635g/ 1.4lb Package size: 26 * 26 * 3.5cm/ 10.2 * 10.2 * 1.3in Package weight: 465 g/ 1 lb Packing List: 1 * Panel light 1 * Power supply