Feature:1. Integrated lamp chips, singlesided luminescence, wide irradiation area, uniform and soft luminescence.2. Aluminum metal substrate, high heat dissipation, low light attenuation, and prolongs service life.3. Suitable for a variety of DIY lamps, outdoor lamps, table lamps, spotlights, downlights, etc.4. COB lamp chips, no dazzling, no strobe, effective protection of eyesight, good lighting effect.5. Stable and safe, light weight, small size, durable and longlasting, it is an excellent lighting accessories.Specification:Item Type: LED ChipMaterial: AluminumWeight: Approx. 20g / 0.7ozProduct Size: Approx. 20x20mm / 0.8x0.8inVoltage: 36-41VPower: 12WLamp Chip Type: COBLuminous Flux: 1080LMService Life: 5000H.Package List:12 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.