LightingWill LED Downlight 4-Pack 5W CRI80 400LM Directional Recessed COB Fixture Cut-out 2.5in(65mm) Dimmalbe 60 Beam Angle 5500K-6000K Daylight White Ceiling Bulb 50W Halogen Bulbs Equivalent BASIC PARAMETERS: Dimmable, Dia.3.54in(90mm), Cutout Dia.2.5in(65mm), Directional 60 beam angle, White Trim, Directional Adjustable, CE RoHS FCC Approved, 5W COB spotlight, COB integrated chip, Driver Included, working with line voltage directly. ENERGY-SAVING: Cut down your electricity bill up to 90% by replacing 50W Halogen Bulbs with Lightingwill 5W LED Downlight, certified to be brighter than existing recessed lighting in your home. SHOW NATURAL COLOR: CRI80+, Color Rendering Index, provides near-sunlight quality light for true color rendering and consistency inside your home, show natural color more vibrantly. EASY INSTALLATION: Aluminum Alloy Body with Built-in Trim Ring, high safety is no doubtly assured. It can be easily installed without using any tools. Please refer to the picture of the installation process. QUALITY GUARANTEE: LightingWill offer 1 year warranty, and our seller support team always stand behind our products in any way, so please contact us for replacement if you have any quality problems.