Feature: 1. The LED lamp beads are made of high‑quality aluminum substrate, imported chips, low light decay, high brightness, strong and durable. 2. It has the characteristics of high brightness, low power consumption, instant start, uniform light emission, no flicker, and strong shock resistance. 3. The aluminum base is used for easy heat dissipation, good protection of the lamp beads, and long service life. 4. Easy to install, put it on a small aluminum substrate, you can configure and weld as needed, light weight, small size, and easy to use. 5. Suitable for flashlights, DIY modeling lights, headlights, spotlights, and many other lighting products. Specification: Item Type: LED Chip Material: Aluminum Weight: Approx. 46g/1.6oz Lamp Chip Diameter: Approx. 20mm/0.8in Lamp Chip Height: Approx. 7mm/0.3in Model: AXD-0.5W-5V Power: 0.5W Voltage: 5V Quantity of Each Package: 25PCS Brightness: 200lm How to Use: 1. The lamp bead is welded on the aluminum substrate, and the thermal conductive silicone grease has been applied before the 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 is not higher than 60℃. 3. Suitable for flashlights, DIY modeling lights, headlights, spotlights, and other lighting products.. Package List: 25 x Lamp Chip Note: 1. Please allow 0‑2 cm 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. It is not waterproof, and the load cannot be exceeded, and the heat dissipation temperature of aluminum material is not higher than 60℃.