1. Battery Installation
Open the back cover of the flashlight, remove the insulating sheet.
2. Power on and mode switch
Switching the magnetic rotary switch on the front of the flashlight to adjust mode.
3. Charging Instruction
Put the battery into 5V USB charger, the power indicator lights up in red when charging, turns green light after fully charged
4. To keep your flashlight’s waterproof performance
Please lubricate the O-rings after each dive( Silicone based lube or glycerin recommended), replace O-rings when them damaged.