The World's first under-table mounted charger specifically designed to safely provide fast charging performance for Apple and Samsung phones using intelligent Power Communication (IPC) Technology. Performance Apple 7.5W/Samsung 9W fast charge Input - 12V 3A DC power adapter Charging distance 10mm-25mm with distance switch for optimization Charger Size - 182mm x 112mm x 20mm Calibration Switch - easy set up to ensure fastest charge Daisy Chain 2 Chargers - powered by 1 adapter Charges through all non-metallic surfaces Safety Foreign object detection Over-current protection Patented IPC (Intelligent Power Communication) - protects phone battery Distance switch - ensures correct power to phone based on table thickness Auto shut-down when fully charged Wire clips to secure wires