1. Material: metal 2. Power supply: USB direct charge 3. Applicable to a variety of power sources, USB direct charging is fast and stable 4. Three gear switch, lighting/money detection/laser 5. Waterproof and more durable 6. Convenient and comfortable switch, easy to use 7. Detachable lanyard design, easy to carry and store 8. USB charging port design, fast charging 9. Dimensions: 100x15mm
