· Flashlight in the process of use, flashlight surface temperature below 60 degrees is normal, please rest assured that the use.
· Fully charge the battery before first use.
· Clean and lubricate the flashlight with a cotton swab every six months.
· For optimal waterproofing, periodically check the integrity of the waterproofing ring and apply a liberal amount of lubricant to the ring to prolong its life.Please apply appropriate amount of lubricant on the waterproof ring to prolong its service life.
· If the ring is damaged, please replace it with the original one to ensure the excellent waterproof performance of the product you are using.
· When the flashlight is not used for a long time, please take out the battery and store it in a cool and dry place.