This Torch Uses One of the Most Common Aa Batteries as the Power Source, Just Put the Torch Tail Swings Open, & Then According to the Anode Directly into the Cell is Can Normal Use, the Lens Material Imported Ucl Double Coated Lenses, Use Single Section 1 Aa or 14500 Lithium-ion Batteries, Attack the Head with a Head, Tail After the Press Type Single Lighting! Also Equipped with Waist Clip Design! Small & Exquisite Design, Love It! Power. 1 * Aa & 1 * 14500 1.5v Battery (no Included).