The Manker MK34 is an awesome light that really packs a punch, with the Nichia 219C version clocking in at 6500 lumens this light is a powerful pam sized light. The MK34 requires a true 18650 battery, and the bundle comes with 2600 mAh 18650 batteries.
Side switch battery indicator:
1. Blue: More than 75%
2. Purple: 50%
3. Red: Less than 20%
Oneclick - Double - Triple from any mode to lock out the flashlight. (Only the battery indicator works when lock out)
Engineering Mode (Choose output level from Moonlight mode):
Long press for off and still hold on, the side button battery indicator will turn on and then quick click for 4 times to get acess to engineering mode. One click to check different level and long press to make your final choice.