New and high quality Voltage: 2.7-3V Working current: 300 (mA) Power: 1 (W) Bracket material: copper Thermal resistance: 50 (°/W) Size: As the picture shows Package Included:1pc Note: 1. Due to manual measurement, please allow an error of 1-3mm. 2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.