20W30W50W 220V LED COB Chip Lamp Panel WeldingFree White Warm Light Full Specturm(Full Spectrum

Feature: 1. Long service life, low power consumption and high brightness. 2. Comfortable light source, harmless to skin and eyes. 3. Very low heat generation, energy saving and environmental protection. 4. Do not need power supply, free Solder, suiteable for DIY. 5. Widely used in traffic lighting, landscape lighting, advertising lighting, indoor lighting, special lighting and so on. Specification: Item Type: LED Chip Color: As Pictures Shown Weight: Approx. 17g0.6ozProduct model: F7540 Voltage: 220V Material: COB + aluminum substrate Luminous flux: 100LMW Luminous surface size: approx. 25x25mm1x1in Operating temperature: -20 celsius -+70 celsius Surge resistance: 3000V . Package List: 1 x LED Chip