15pcs High Power Led Cob Chips 3w-10w Bulb Lamp Spotlight Downlight Light -. Product Description Illuminate Your Space with Our Versatile LED Bulbs, Designed to Deliver Exceptional Brightness and Energy Efficiency. These Bulbs Are Available in Multiple Wattages – 3W, 5W, 7W, and 10W – Each Providing a Robust 360-degree Beam Angle for Comprehensive Light Coverage. With a High Color Rendering Index (CRI) of over 80, These Bulbs Ensure Accurate Color Representation, Enhancing the Ambiance of Any Environment. This Range of LED Lights Requires a Constant Current LED Driver and a Heat Sink for Optimal Performance and Longevity. The Bulbs Are Available in Three Color Temperatures: White, Warm White, and Cold White. Features - Power Options: 3W, 5W, 7W, 10W - Voltage Requirements: - 3W: DC9-9.6V - 5W: DC15-17V - 7W: DC20-22V - 10W: DC30-32V - Current: 250mA (max) - Lumens Output: - 3W: 300LM - 5W: 450LM - 500LM - 7W: 630LM - 700LM - 10W: 900LM - 1000LM - Color Index (CRI): Ra > 80 - Beam Angle: 360 Degrees - Light Emitting Area: 11mm - LED Configuration (Serial/Parallel): - 3W: 3C/2B - 5W: 5C/2B - 7W: 7C/2B - 10W: 10C/2B - Size: 20x20mm - Color Options: White, Warm White, Cold White - Important Note: Requires a Compatible LED Driver and Additional Heat Sink for Safe Operation. These LED Bulbs Are Ideal for Various Applications, Providing Optimal Lighting Solutions Tailored to Your Specific Needs..