5. Perfect service: We solemnly promise to provide you with the most friendly service, available 24 hours a day. If you have any questions after receiving the product, please feel free to contact us at any time. 4. High quality materials: wear-resistant and pressure resistant, using PC+ABS shell, flame retardant and environmentally friendly materials, safe to use. Use bold pure copper wire core for faster transmission speed. 3. Safety protection: IC chip control, stable power supply, multiple protections, with overvoltage protection, overcurrent protection, temperature protection, overload protection, short circuit protection, power supply protection. 2. Product interface: American standard plug, metal plug is durable, antioxidant, conductive, wear-resistant, and not easily deformed. Ports 5.5 * 2.5/2.1 are compatible. The tail card is sturdy and durable. 1. Product specification: Input voltage: 100-240V 50HZ/60HZ, output voltage: 25.2V1A. Application: Suitable for battery packs, beauty equipment, floor sweepers, aerial photography aircraft, medical equipment, etc.