Features:
4 levels brightness and the 5th step is flash mode: 2%, 50%, 75%, 100%, and flashing 50% brightness with 1s' cycle.
Li-ion 2200mA battery provides up to 80 hours (depending on the brightness level you select) of light per full charge.
It can be charged through the included micro USB cable. 
Durable aluminum and long life bulbs provide more than 36,000 hours of service.
Strong magnetic back attaches to any ferrous metal such as a car or truck, 2 lanyards included for extra convenience.

Specifications:
Power: About 2W
Charge port: Micro USB
Input: 5V/1000mA
Color temperature: 5500K
Luminous flux: 200Lum
Battery: Li-ion battery 3.7V, 2200mA
Life: >36,000 hours (500 times charge)
Work temperature: 0-40 centigrade
Switch style: Push button
Material: Aluminum alloy + plastics
Color: White + silver/ Black + silver
Item size: 20 * 3.6cm / 7.9 * 1.4in(L * D)
Item weight: 150g / 5.3oz 
Package size: 27.5 * 5.2cm / 10.8 * 2.0in
Package weight: 268g / 9.4oz

Package List:
1 * LED Flashlight
1 * Micro USB Cable
2 * Lanyards
1 * User Manual (English)