Functions:
1. Cranking for power generation and accumulation.
2. 4 pieces of ultra-bright &phi5 white LEDs light.
3. 3 pieces of ultra-bright &phi5 red LEDs flash warning.
4. 100 dB siren function.
5. Controlled by electric switch, red LEDs flash_white LEDs light_off_red LEDs flash, buzzer warning simultaneously.

Features:
1. Convenient to use, no external batteries are needed, dynamo.
2. High-luminance lighting, the Brightness up to 15lm.
3. Red LEDs warning, the Brightness up to 5lm, good for outdoor sports.
4. State-of-the-art handle design, Perfect touching sense, suit for the old.
5. Attach with a hand strap, convenient to carry.
6. Adjustable high strenth aluminium alloy pole