1: about Logistics | Our Express Delivery Defaults to ZTO YTO Express. If You Need Other Specifications, Please Contact Our Customer Service. 2: About Chromatic Aberration | Due to Reasons Such as Computer Monitors in the Shooting Light Environment, Some Differences in Real Objects Are Within the Normal Range, Which Is Not the Quality Problem of Products. The Real Objects Shall Prevail. 3: about Return | Our Store Supports Eight Days No Reason to Return, the Returned Goods Must Be Kept Intact, and Does Not Affect Our Normal Secondary Sales, Otherwise Our Store Has the Right to Refuse to Refund. 4: about Signing | the Goods Are Confirmed by Strict Quality Inspection before They Are Delivered. Please Check the Goods before Signing after Receiving the Goods. If the Outsourcing Is Damaged Or the Package Is Defective, Please Refuse the Visa on the Spot, and Timely Connect with Online Customer Service and Handle It. Thank You!