... the strong or weak light, push the first time, 7 LEDs light, push the second time,5LEDs light, push again, all ... , then can be used 18--20 hours continuously6. The head can be adjusted into different angle (90 degree to 175 ... degree)7. There is a belt that tightened the head or hat or feet.8. Packing: Color Box The ... always appreciate your promotive advice. YJ-1882 LED rechargeable head lamp/ light