1. Instructions for Use of the switch
1. The battery is the positive pole facing inside (the side of the lamp holder). The negative pole facing outside (the tail).
2. The switch is at the tail. Switch function repress switch is switch function, light Press switch is dimming function

2. Circuit board instructions

1. Torch adopts advanced constant voltage and constant current technology, which can effectively solve the requirement of constant voltage and constant current for LED torch;
2. Special tips:
Do not use it under overpressure, and the voltage should not exceed 4.2V;
The positive electrode of the battery is facing forward, do not set it in reverse, otherwise it will burn the board;
Pay attention to controlling the change of flashlight temperature to ensure heat dissipation;
Do not open the circuit board for non-professionals;