USB rechargeable flashlight

Material: Aluminum alloy 
Features: Environmental waterproof/moisture-proof/pressure-proof/drop-proof/severe-proof
Function: lighting, night riding, emergency
Endurance: 0.8-1 hours in strong light, 1.6-3 hours in low light
Change mode: high and low frequency flashing
Flashlight range: 300 meters
Light source: LED bulb
Charger: rechargeable
Product size: 8.5 × 2 × 2 cm