Product feature: 1. Pressing for power generation 2. Convenient to use, never need change battery, pressing to recharge 3. High brightness: The Max.brightness can reach 32000MCD 4. the red LED can flash give an alarm, Highest brightness 5. It has long life-span. 6. Unique design, lightweight size. 7. Wrap strap design, convenient to carry. Main Technical Parameters: 1. lighting A. 2LEDs Max Brightness: 32000mcd, B. Pressing 1 minute at the speed of 2 times per second can provide 4 minutes lighting time of 2 white LEDs or 10 minutes of red LED. 2. Using life Switch life: 10000 times LED life time: 100000 hours Plastic body: 5 years The whole unit: 5 years