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Which models are group 1 and which are group 2?

By Jim Aug-29/2019 17:10:41

Hello Jim, The two groups of eight gears, the first group and the second group, can be switched through the low gear.If any group of low-lighting files is turned on for about 5 seconds, after the flashlight is automatically flashed, immediately turn off the flashlight and then turn it on, then the group can be changed. The flashlight turns on and off for less than 2 seconds, half-presses the switch once, shifts more than 2 seconds, and presses the shift twice.