SpecificationDescription: 10pcs round COB 3W high power LED chip bulb lamp light Warm White or Natural White or White. COB LED has good thermal perfmance, long lifetime, lower power loss. Heat dissipation is good easily manageable. Only about 30% heat of High Power LED. Among different LED components such as high power LED, SMD, dip etc, COB LED is best in less thermal resistance cooling. COB LED has better lighting effect, it is no dizzy, no uncomftable glare, no zebra strips. When it light up, it looks smooth like a lighting pane. Features: COB LED has good thermal perfmance, long lifetime, lower power loss. Heat dissipation is good easily manageable. Only about 30% heat of High Power LED. Among different LED components such as high power LED, SMD, dip etc, COB LED is best in less thermal resistance cooling. No dizzy, no uncomftable glare, no zebra strips. Great f making light sources f video camera, fish tank, decation light, etc. 3 lighting cols f your choice. Specifications: Condition: New Type: COB LED Power: 3W Voltage: DC 9-11V Current: 300mA Luminous Flux: 300-330LM Lighting Col Options: Warm White, Natural White, White Col Temperature: Warm White 3000K, Natural White 4000K, White 6500K Lighting Angle: 180 degrees Plate Material: Aluminum plate Wire Material: Gold wire Diameter: Approx. 2.8cm or 1.10in Light-emitting Surface Diameter: Approx. 2cm or 0.8in Col Rendering Index: 70 me Weight: Approx. 107g Quantity: 10 pcs Package Includes: 10 x Round COB LED chips Note: 1. Please allow 1-2mm err due to manual measurement. Thanks f your understing. 2. Monits are not calibrated same, item col displayed in photos may be showing slightly different from the real object. Please take the real one as stard. Feature 1COB LED has good thermal perfmance, long lifetime, lower power loss 2Heat dissipation is good easily manageable. Only about 30% heat of High Power LED 3Among different LED components such as high power LED, SMD, dip etc, COB LED is best in less thermal resistance cooling 4No dizzy, no uncomftable glare, no zebra strips 5Great f making light sources f video camera, fish tank, decation light, etcPackageListnote