1. 2, 3or 5 LEDs built-in head for your choice;
2. the LED work life can be upto 100,000 hours.
3.The batteris work life can be reach 3 years.
4. the hand press can be used more than 80,000 times;
5. pull the lock of handle down, the handle will be release out, and pressing it to makes electricity;
6.Battery:3pcs AG10 1.5V button cell + a hand press dynamo
7. can printed any LOGO and images on body;
8. more colors available: red,yellow,blue,green, orange…ect;
