LED Bulbs 18W 8 Inch Opening Hole Round Recessed Lighting Warm White, LOHAS&reg; LED Kitchen Ceiling Lamps LED Panel Light Fixtures For LED Home Lighting With LED Driver Beam angle:120 degree Size:230mm*205mm*14mm (Outer diameter:9.06in. Inner diameter:8.07in. Height is 0.55in) Warm white,3500k Lumens:1800-1900LM 180W Halogen Bulb Equivalent. Power:18 watt. Input Voltage: 85V - 265V DC. Power adaptor included. With over 20,000 hours lifespan, it save your effort to replace bulbs on high ceiling. Suitable for all indoor usage - home, office or retail environment.