* 7 White LEDs+2 Red LEDs, 9 White LEDs+2 Red LEDs, 10 White LEDs+2 Red LEDs, 12 White LEDs+2 Red LEDs, 14 White LEDs+2 Red LEDs, 16 White LEDs+2 Red LEDs,
17 White LEDs+2 Red LEDs, 18 White LEDs+2 Red LEDs, 19 White LEDs+2 Red LEDs,
21 White LEDs+2 Red LEDs could be available.
* Adjust head strap hold
* Adjustable inclination
* shake-risistant, water-resistant
* 3xAAA batteries
* Held it on the Bike as a bicycle light, see following picture