Feature:1. With metal aluminum substrate, which has good heat dissipation effect, is durable, and is not easy to be damaged or deformed.2. High quality high brightness lamp chips, emitting white light, uniform and soft, luminous flux is 90lm, and good lighting effect.3. Low power consumption, power is 1W, energy saving and environmental protection, long service life.4. It is widely used in DIY ceiling lamps, downlights, spotlights, flashlights, stage lights, table lamps and other lamps.5. Small size, easy to install, can be welded on all kinds of DIY lighting fixtures, providing a wide irradiation area.Specification:Item Type: LED ChipMaterial: Aluminum + Lamp ChipWeight: Approx. 14g / 0.5ozProduct Diameter: Approx. 20mm / 0.8inConnection Voltage: 3VPower: 1WLight Source: White LightLuminous Flux: 90lmService Life: 10000H.Package List:10 x LED ChipNote:1. Please allow 0‑1 inch 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.