<b>Important Notices:</b><br> <br> <b>✔ Be sure the working temperature is above 0℃（32℉) because the motorized arms would not open/close below 0℃. If your living area is cold, we suggest you warm up the holder from hot air blowing on it from the vent before using the holder.</b><br> <b>✔ Please plug the cable into the QC3.0 car charger to ensure that the motor have enough electricity when you clamp or release the phone, or the clamping arms don't move.</b><br> <b>✔ About the car charger: Please Plug the cable into QC 2.0/3.0 car charger to ensure fast charging; Non-QC car charger, 2.4A car charger or USB Port don't support fast charging and supply enough power to this device. Package comes with 4.92FT/1.5M Micro USB Cable, but Car Cigar Lighter are not included.</b><br> <b>✔ About the Phone case: Please remove Uneven or rugged case,metal ring holder, metal attachments and credit cards for optimal charging. Be sure your phone case is NOT thicker than 4mm (0.16 inches) .</b><br> <b>✔ About the Charging Coil alignment: Please adjust the bottom bracket to make the phone at the wireless charging Inductive center. It will fail to charge if placed improperly.</b><br> <b>✔ Preventing your phone from overheating: We suggest you close Apps to reduce power consumtion and turn off phone screen during wireless charging.</b><br> <b>✔ Red Light Means Unable to Charge: 1) Please adjust the telescope tray to align; 2) the case isn't compatible with wireless charging; 3) plug the cable into the QC2.0/3.0 Car Charger.</b><br>