Details：

＊Advanced temperature regulation (ATR) technology：

It adjusts the brightness level automatically when the light temperature reaches 45℃ to keep the light from overheat. You can reset the temperature limit, please contact us if you want to know more details.

＊Low Voltage Protection

LVP makes the light step down to a lower level when the battery is lower than 2.8V, and if the light is already at the lowest level, it shuts itself off.

Package list:

1. without battery: flashlight, lanyard, usb cable, user manual
2. with battery: flashlight, 21700-4000mah battery, lanyard, usb cable, user manual

4 * SST20 LED

Voltage: 3.0 - 4.2 volts

Battery Supported: one 21700 li-ion battery

Dimension: 106.4mm x 35mm

Net Weight: 99g without battery

Made by Aircraft 6061 grade-aluminum alloy, Premium type Ⅲ hard-anodized anti-abrasive finish to get solid built body, anti-crash.

Toughened glass lens; TIR Lens

Mode Memory: It memorizes the last brightness level used in the general modes. It will activate the last brightness you selected, when you turn on the flashlight next time.