90-day return/replacement and refund for free and 12-month defects liability period after purchase. FirMate offers 14-hour friendly support service. Please feel free to get in touch with us if you need any assistance. The build-in super capacitor ensures the clamping arms to normally function even when the car is stalled or after power disconnection. The capacitor stores enough power for the arms to open the holder 2-3 times without power supply and it will be automatically recharge each time in use. 3-in-1 design & 360°swivel ball provides flexiblity to adjust your phone horizontally, vertically or any angle you prefer for safe driving. Strong suction mount base and adhesion ensures the stability and security of phone holder while driving. One quick touch on any side of the Qi car charger\'s buttons, clamping will open automatically, which can easily enlarge the width and release your phone from the holder. Build-in advanced sensor and auto-clamping technology will automatically close the arms once you place your phone on the charging pad, which allows hands-free operation. The wireless car charger mount allows installation of multiple phone types. Adjustable bottom tray can change the width from 2.44inch to 3.56 inch for different types of phones, which can be done manually. Suction cup\'s arm can be freely adjusted from 4.5 inch to 7.5inch. The washble and reuseable suction cup contains a lock to provide extra stability and security for your phone. The car mount contains three-point lock and rubbrized non-slip grip that can keep your device securely stay in place during driving. Clean the surface and make sure the installed surface is dust free. Tear the film and gently place the car phone holder mount on the cleaned surface. Press down the base to make sure the sucker stick. Use strength to press the lock down. Hold down the base for 3-5 minutes. Don\'t put on your phone yet. 5 minutes later, you can start and enjoy using our product for driving.