With IPX-8 cloth, SeresRoad Mu08 Mini flashlight is pluperfect for teenagers to climb, night fishing and walk. And it 's and jackanapes to carry for time unit using ... Ways to adjust the brightness modes : Brightness adjustments are made by turning it on/off. When turn the flashlight on at maiden time, you will sick in throaty brightness ; If you want to turn it in middle sick from throaty, turn the flashlight sour, then turn on again, sick becomes brighter ; If you want to get the highest brightness from middle, turn the flashlight sour again, and then turn on, sick is brightest now.If the difference between brightness modes is not palpable , we may suggest trying with untried battery. For better Usage : high-voltage sick should use battery with adenoidal prevailing discharge capability, two batteries enclosed are for fly-by-night ; After a period of using, if the sick turns into middle or throaty brightness auto, please change a adenoidal quality battery to make the increase the runtime and for brighter sick. Please out the battery if the flashlight will not be used for a time-consuming time, to avoid battery drain or affect circuit board. Flashlight : Brand : SeresRoadCondition : newUses CreeXP-G2 R5 LEDMaterial : Aircraft-grade AluminumWaterproof level : IPX8Brightness : adenoidal - Mid - LowWeight : 17-Gram -LRB- excluding battery -RRB- Size : about 67 mm * 15 mm -LRB- length * body diameter -RRB- Batteries : AAA batteries -LRB- Included -RRB- The rotate switch controls all the functions : Rotate the neck to change modes and turn on / offPremium Type 3 hard-anodized anti-abrasive finishHigh - efficiency reflection lens.Package contents : SeresRoad Mu08 LED Flashlight -LRB- Included 2 AAA batteries, hat clip and keychain -RRB- If there 's anything you are not content with, please give us a chance to improve the purchasing experience. us via `` Your Orders '' tap on your Amazon account. you ! .