10pcs Led Cob Light Bulbs 3w 5w 7w 10w High Power Diodes For Diy Spotlight. Enhance Your Lighting Experience with Our Versatile LED Modules Available in Various Power Outputs—3W, 5W, 7W, and 10W. Designed for Optimal Performance, Each Module Requires a Compatible LED Driver and Radiator to Maintain a Temperature Below 60 Degrees for Safe Operation. Available in Warm White, Cold White, and Natural White Colors, These Lights Are Perfect for Various Applications. Features: - Model Options: 1313, 2020, 2422 - Power Output: 3W, 5W, 7W, 10W - Voltage Requirements: - 3W: DC9-12V - 5W: DC15-17V - 7W: DC20-22V - 10W: DC30-32V - Current: 250mA(max) for All Models - Lumens: - 3W: 270-300LM - 5W: 450-500LM - 7W: 630-700LM - 10W: 900-1000LM - CRI: Ra≥70 Ensuring Vibrant Color Rendering - LED Crystal Count: - Varies with Model and Power - Crystal Size: 10*21mil or 8*20mil Based on Model and Power - Serial/Parallel Configuration: Varies with Model - Shiny Surface Diameter: Varies with Model Please Note: An LED Driver is Required for Operation..