1Highquality chips， low light decay， high brightness， sturdiness and durability， and long service life of the lamp beads. 2Widely used in flashlight， DIY modeling lights， headlights， spotlights， and other lamps and lanterns， and traffic lighting， landscape lighting， advertising lighting， indoor lighting， etc 3Made of high quality material， this light bead is sturdy and durable. With aluminium base， it is easy to dissipate the heat. 4Characterized by high brightness， low power consumption and long lifespan. Instant starting， no flicker， firm and shockproof. 5It's put on a small aluminum substrate that allows you to solder it in whatever configuration you want. Lightweight and small size， easy to store and use.Item Type: LED ChipsMaterial: Aluminum Color: As shown in the pictureModel: AXD-3W-5VSize: Approx.20x7mm/0.79x0.28in(D x H)Weight: Approx.46g/1.6ozApplication: LED lamp beadPower: 3WVoltage: 5VQuantity: 25 pcsBrightness: 200LMApplication: Suitable for flashlights， DIY modeling lights， headlights， spotlights， and many other lighting products.25 x LED Chips1. The lamp bead is welded to the aluminum substrate， and the thermal grease has been applied before welding， and it only needs to be directly processed for heat dissipation.2. It is not waterproof， and the load cannot be exceeded， and the heat dissipation temperature of aluminum material should not be higher than 60 .3. Please allow 1&8209;2mm error due to manual measurement. Thanks for your understanding.4. 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.