Built in 1800mAh Rechargeable Lithium Battery.
Magnetic, can adsorption in the walls of iron .
Suitable for camping, fishing , hiking and so on.
Lumens: 300LM
Capacity: 1800mAh
Input: DC 5V - 1A Max
Output: DC 5V - 1A Max
Battery: 1800mAh lithium battery (built -in)
Switch mode: High /Low /Strobe
Charging mode: USB Charging