Quality mini torch: This small LED key pendant torch is made of high-quality aluminium, rust-proof and water-resistant, designed for everyday carry on a keyring. Battery and compatibility: Each small torch comes with 4 button batteries, model LR41. The battery must be replaced separately. Gift and suitability: This children's torch for boys can not only be used for lighting, but also as a birthday gift for children. How to use: Instructions for use are provided by design. Unscrew the mini torch keyring before use, remove the white insulation layer in the film and turn the lamp head to tighten it. Turn the lamp head slightly loosely when not in use to close it. Key benefits and features: Compact and lightweight with a durable aluminium body; rust-proof and water-resistant for reliable use in everyday light tasks; easy to attach to a keyring, backpack, or belt loop for hands-free illumination. Practical use scenarios: - Everyday carry: use to locate keys in a dark bag or cabinet, or illuminate a doorway at night. - Outdoor activity: handy for camping, hiking, or night-time exploration where a quick light is needed. - Emergency and travel: keeps a compact light in a car glovebox or travel kit for quick visibility. Notes: Maintains the original brand, specifications, model, and function without adding new features.