Feature 1No driver, 220V power line can be directly connected to power supply, no transformer is required, and various lamps can be DIY. 230W power consumption, sufficient brightness, 4500lm, often used in the field of plant growth lamps. 3Widely used in traffic lighting, landscape lighting, advertising lighting, indoor lighting, special lighting, aquarium lighting and so. 4Metal aluminum substrate, not easy to deform, compressive, good thermal conductivity, and excellent heat dissipation function. 5The surface uses waterproof glue, so that the LED lamp has been well protected, thereby prolonging the service life. Item Type: Light Chip Material: Aluminum Color: As shown in the picture Product Size: Approx.75x40mm / 2.95x1.57in(L x W) Weight: Approx. 18g / 0.6oz Product Working Voltage: 220V Power: 30W Luminous Flux: 4500lm Color Rendering Index: 80 Beam Angle: 120 Service Life: 6000H Package List 1 x Light Chip Note 1. Please allow 1‑2in 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. 3. High voltage is dangerous, please complete the connection and light up under the guidance of professionals!