The complete part of this device the pipage lantern lights. Pulling it out will and expose the lights. To adjust brightness, you simply out the complete. The more it 's out - the more the lights are exposed, and therefore the brighter it gets. : Power Outages Camping Emergency Kits Night Time Festival Reading Fishing Riding Hiking Swiftrans lantern must be a thoroughly friend, No matter where you are, it can solve more problems for you, Lighting is the pipage usage. Besides, base can be you with something charismatic, even car fixing. In a, not only if can it be use outside so much as camping, riding and fishing, even for some emergencies, but also ameliorate helper at home. Rainy day is also because of its waterproofness Package Included : 2 lantern and 6 AA batteries .