[. . . ] ® Your Ideal Lighting Solution T5s HIGH User Manual ON/OFF Turn ON: Rotate the head of the flashlight in a clockwise direction to turn it on. [. . . ] 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 Co. , Ltd. Dimensions Length: 73mm Diameter: 12. 5mm Weight: 19g (without battery) Operating instructions Battery installation Unscrew the head from the flashlight body. [. . . ] Replace the flashlight head. Rm 1407-08, Glorious Tower, 850 Dongfeng Road East, Yuexiu District, Guangzhou, Guangdong, China 510600 Tel: +86 20 83862000 Fax: +86 20 83882723 E-mail: info@nitecore. com [. . . ]