[. . . ] Insert the Smart card into your power adaptor 3 Select the correct tip for your laptop using the list in Step 1 and confirming it with the model number of your laptop in enclosed compatibility list or via our website : www. [. . . ] Attach the correct tip to the power adaptor as shown below: Please carefully read this section before using, and pay attention to the following: Only use the accessories provided in this package; otherwise, it could result in a risk of fire, injury to persons, or damage to personal property. Please read the entire User Manual carefully, and follow the exact procedures step by step before attaching this power adapter to your laptop or an AC wall socket to avoid risk of possible electrical shock or damage from this unit The enclosed Smart Voltage Cards are specially designed for this power adaptor. Please do not try to modify them or insert normal TF or Mirco SD cards into this power adaptor. Please avoid placing this product in direct sunlight, in temperatures below - 20 C or over 70 C. Do not attempt to repair, modify, or tamper with any external or internal components of your power adapter. Doing so will invalidate the warranty and may lead to serious or fatal injury and/or property damage. No guarantee / warrantee is provided if any of the following situations occur: · Features and specifications are subject to change without notice. All trademarks and registered trademarks are the property of their respective owners. [. . . ] All trademarks and registered trademarks are the property of their respective owners. [. . . ]