Fangrui Product Details Mini Flashlight Keychain Lights Pocket-sized Light Mini Torches Keychain Flashlights Key Chain Light Accessoriesdescription: 1. Although Is A Small Led Lamp, Light Source Is Really Bright And The Whole Is Beautiful. 2. Four Lr41 Button Cell Are Adopted, Which Is Convenient To And Super Power-saving. The Outer Body Is Made Of Aviation Aluminum Alloy, And The Surface Is Anodized And Colored By Cnc Cutting Technology (there Are Four Lr41 Batteries Inside This Product, Which Are Free Of Charge). 3. The Clasp Of This Product Is Made Of High Quality, High Light And High Strength Aluminum Alloy, Which Is Firm And Durable. Extremely Strong And Weighs Only 20 Grams 4. This New Small Flashlight, You Only Need To Hang It With Your Key, And The Small Lamp Holder Gently When Using It, Everything Becomes Easy. 5. This Product Adopts Ultra-high Brightness New Technology Luminous Bulb, Which Can Easily Illuminate The Whole Corridor, With Super Energy Saving, And Has Its Own Special Battery, So That You Don't Have To Worry About Groping In The Secret Corridor! ! 6. Whole Body Oxidation, Including Thread, Waterproof O-ring, Daily Waterproof, Do Not Dive, 4 Batteries (plastic Protects The Body, Will Not Scatter), Battery Insulation Sheet, Please Remove The Insulation Sheet After Purchase, And Then It Can Light Up. Specifications: Name: Led Mini Keychain Flashlight Dimensions: 5.8*1.8*1.8cm Color: As Shown In The Uses: Climbing, Outdoor Night Walking, Corridor Walking, And So On Usage: Before Use, Remove The Isolation Film, Turn And Tighten The Lamp To Shine, And Loosen The Lamp Slightly To Close It When Not In Use, Which Is Simple And Convenient To Use! Package Included: 1* Lamp