[. . . ] ® Your Ideal Lighting Solution T0 User Manual · Equipped with the excellent Nichia LED · Maximum output of 12 lumens · Maximum runtime of 21 hours · Intuitive User Interface · Ultra compact body for convenient one-handed operation · Titanium alloy bezel for extra durability · Customized diamond-shaped anti-roll rugged design for a comfortable handgrip · Lightweight design, only 17g (without battery) · Various colors available Features: Specifications: LED: Nichia LED Body material: Aero grade aluminum alloy Head material: TC4 titanium alloy Finish: HA III Military grade hard anodized Battery: One AAA battery Dimensions: Head diameter 14. 5mm, total length 73mm Weight: 17g (without battery) Waterproof: IPX-8 standard waterproof (2 meters) Operation instructions Battery installation Unscrew the head. [. . . ] Within 14 days of purchase, any defective lights will be offered free replacement (proof of purchase required) by NITECORE® distributors unconditionally; Within 18 months of receipt, NITECORE® offers a free repair service, except for damages caused by misuse. As to claims exceeding 18 months, NITECORE® will continue to warrant the product with the cost of parts to be borne by the customer. Customers may contact their local distributor or NITECORE® directly for warranty repair queries. Damage caused to the appearance of the product by misuse or accidental occurrence (such as drops or impacts) 3. [. . . ] Damage caused by incorrect battery insertion (reverse polarity) or battery leakage For the latest information on NITECORE® products and services, please contact your national NITECORE® distributor or visit our official website: www. NITECORE. com Thanks for purchasing NITECORE! SYSMAX INDUSTRY TRADING Co. , LTD TEL: FAX: E-mail: Web: Address： +86-20-83862000 +86-20-83882723 service@nitecore. com www. NITECORE. com Rm1407-08, Glorious Tower, 850 East Dongfeng Road, Guangzhou, China 510600 [. . . ]