Product instruction
1. the LED work life can be upto 100,000 hours.
2. with a Hand cranking dynamo,the hand press can be used morethan 80,000 times;
3. push the switch up, the 3leds will be lighting.
push the lock down, the handle will be open, and press it can makes electricity;
4. any LOGO can printed on body.
5. 3LEDs, hand-press dynamo system,human engineering designed, easy to carry and use
6.also have wide surface of body, can printed any LOGO and images of Maximum: 6.8*3.8 cm