Features: 1.This LED lamp bead is made of high quality aluminum substrate, which is stable and durable, with strong heat dissipation performance, light and portable, easy to store and use. 2.High performance LED lamp beads have ultra-high brightness, high stability and excellent energy saving effect. LED light beads start instantly, no flickering, your eyes will not get tired under the light. But please don't look directly at the light. 3.Optional styles: warm color 3000-3200K, natural white 4000-4500K, white 6000-6500K, white 10000-15000K, white 20000-25000K, white 30000-35000K. 4.LED chips have high luminous flux, good heat dissipation, low light decay rate, lasting brightness and long lifespan. So you don't have to worry about the longevity of your product or frequent product changes. 5.LED chips are suitable for traffic lighting, landscape lighting, advertising lighting, indoor lighting, etc., and are your good choice.  Specification: Item Type: LED Light Bead Material: Aluminum Substrate  Voltage: 3.2-3.4V Power: 3W Luminous Flux: 260-280LM Optional Style: Warm 3000-3200K, Nature White 4000-4500K, White 6000-6500K, White 10000-15000K, White 20000-25000K, White 30000-35000K Size: Approx. 1.9 * 1.9cm / 0.7 * 0.7inch Weight: Approx. 35g / 1.2oz Package List: 25 * COB Light Bead Features High quality materials:: LED lamp bead is made of high -quality aluminum substrate, which is stable and durable, strong heat dissipation performance, lightweight and portable, easy to store and use. High performance:: High performance LED lamp beads have ultra -high brightness, high stability and excellent energy saving effect. LED lamp beads start instantly without flashing, and your eyes will not feel tired in light. But don't look directly at the light. Optional style:: warm color 3000-3200K, natural white 4000-4500K, white 6000-6500K, white 10000-15000K, white 20000-25000K, white 30000-35000K. Life long:: LED chip has high light flux, good heat dissipation, low light rate, long -lasting brightness, and long life. Therefore, you don't have to worry about the product's service life or frequent product replacement. Wide application:: LED chips are suitable for traffic lighting, landscape lighting, advertising lighting, interior lighting, etc., which is your good choice. What are you waiting for such a practical LED chip?