Cob Led Light Chip Bead 3.2-3.4VDC 3W 280Lm 4000-4500K Neutral White 5Pcs

What is this?The COB LED lamp beads are widely used in home, studio and other scenes to replace and repair floodlights, spotlight bulbs, panel lights, LED downlights, flashlights, track lights, stage lights, etc.What will I get?Light Color: Neutral WhiteOutput Power: 3WInput Voltage: 3.2-3.4VDCRated Current: 700mALuminous Flux: 280lmColor Temperature: 4000-4500KOuter Diameter: 20mm / 0.79 inch (OD)Material: Aluminum, PlasticPackage Content: 5Pcs x LED ChipsAre there any advantages of the product?Low heat generation, low power consumption and high brightness, saving energy. Aluminum base, easy to dissipate heat and prolong service life. There is no obvious flickering of the LED lamp beads, and your eyes will not get tired under the light.How to use it?1. The COB LED light beads must be powered by a constant current LED drive power supply that is consistent with the parameters of the light board.2. The COB LED light beads must be installed on the aluminum or copper radiator, and the back of the chip needs to be coated with silicone grease to avoid high temperature burnout.What should I notice?Please pay attention to the specifications and parameters of the COB LED lights.