1. With hand cranking dynamo, it requires no batteries, and simply wind it up for instant light.
2. Just crank it for 1 minute to provide about 20 minutes of continuous bright illumination.
3. Also can be charged by USB connection.
4. As dual-use flashlight, just push the button to open different light.
5. You can use the safety buckle to secure the flashlight.
6. Ideal for household use, emergency, travelling, camping, boating and other outdoor activities.
[Function Description]
1. LED Light
2. SOS Warning Light
3. Can Charge in Your Vehicle
INSTRUCTION:
1.To use the battery box,simply put in the battery,and tighten the tail cover with screws.
2.When the jack is plugged in,the red color indicates charging in progress.Green light indicates fully-charged battery.