Specifications: Condition: New Type: COB LED Power: 3W Voltage: DC 9-11V Current: 300mA Luminous Flux: 300-330LM Lighting Color Options: Warm White, White, White Color Temperature: Warm White 3000K, White 4000K, White 6500K Lighting Angle: 180 degrees Plate Material: Aluminum plate Wire Material: Gold wire Diameter: Approx. 2.8cm / 1.10in Light-emitting Surface Diameter: Approx. 2cm / 0.8in Color Rendering Index: 70 or more Weight: Approx. 107g Quantity: 10 pcs Package Includes: 10 x Round COB LED chips Note: 1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.