Specifications
Emitter: 7 high-powered white LEDs , 3 high-powered red LEDs
Driver: buck driver
Battery Option: 1×18650 battery
Working Voltage: 3V-4.2V
Mode Operation: rotary switch, button and infrared switch
USB Type-C charging
Material: AL6061-T6 aluminium alloy
Water Resistance: IP66 waterproof
Size: 35.7*45.75*86.5mm
Weight: 87g(without battery)
Reverse polarity protection from improper battery installation.
General Operation
The HS21 has three switches, and all switches operate independently. The rotary switch is
used to switch between different modes, while button and infrared switch are used to select
different brightness levels.