Fangrui Product Details 1. After Parking The Car And Turning Off The Engine, Close The Door And Press The Lock Button, The Window Will Automatically Rise And Close. 2. Compatible With The Car Window Lowering Function, Press And Hold The Key Unlock Button, And The Window Will Automatically Lower. 3. During The Window Rising Process, Press The Unlock Button Of The Key And The Window Will Pause Rising. Press The Lock Button And The Window Will Rise And Close Again. 4. During The Process Of Lowering The Window, Release The Key Unlock Button And The Window Will Pause To Lower. To Continue Lowering The Window, Press And Hold The Unlock Button Again. Fitment:for Byd Dolphin 2023-2024 Colour:black Material:abs Package Contents: 1 * Car Automatic Window Regulator Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.