Kind tips: 1. Considering the safety of battery transportation, the battery will be transported inside the flashlight/headlamp. Please open the battery compartment to check the battery, and remove the insulating paper on the battery before charging. 2. We set up packages with or without batteries according to the different needs of buyers. It is recommended that you choose a package that includes batteries. About the flashlight: ▷Using a new design, the newly developed long-range concentrated super-bright LED wick, lumens up to 9000LM ▷Telescopic focusing, ultra-far spotlight, lighting distance up to 500-2000 meters. ▷A high-quality super bright flashlight made of the latest materials,1 meters drop-resistant, non-slip, and IPX6 waterproof. ▷The newly upgraded 18650 large-capacity rechargeable battery lasts longer and is more durable than ordinary flashlights, and its capacity is 4 times that of ordinary batteries! ▷Medium size, not bulky, it is the best choice for camping, fishing, work, daily emergency, outdoor activity lovers! Basic product parameters: ♦ Name: long range flashlight ♦ Lumen: up to 9000LM ♦Lighting distance:500-2000M ♦ Product size 15.2*2.5*3.5CM ♦ Material: aluminum alloy ♦ Switch: Press the switch ♦ Power supply method:1*18650 Battery( not include) ♦ Charging method: Type-C USB charging ♦ Lighting mode: strong light-low light-fast flash-SOS ♦ Lighting time: 4-6 hours ♦ Zoom method: telescopic zoom ♦ Waterproof grade: IPX6 ♦ Power output: Not supported The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws. Q1: Why does it not work after charging overnight and only works when the power is turned on? A1: If the package you purchased contains a battery, please take out the battery and tear off the insulating paper on the battery. If the package you purchased does not include batteries, please use 18650 batteries to power the flashlight. Q2: Why doesn’t the flashlight light up? Are there any loose parts inside? A2: Generally there will be no looseness. It may be because you did not tighten the flashlight (middle and tail). Once you tighten it and make sure the battery contact is good, you won't feel anything loose.