Feature: 1. Able to receive the current ratio of the output distance and voltage of the PCB to the sending PCB 2. Easy and simple to install, eliminating the need for coils and production processes 3. The receive maximum current of module is 5V 800mA which can provide stable performance 4. Adopted of high quality electronic components, and accuracy process, ensure for the durability 5. The using distance is 5‑23mm with great workmanship, convenient to replace the old one Specification: Item Type: Wireless Charging Module Input Voltage: 9~12v 12v The PCB Size of the Transmission Module: Outer Diameter: Approx. 50mm / 2in PCB Thickness: Approx. 0.8mm / 0.03in Receiving Module PCB Size: Outer Diameter: Approx. 50mm / 2in PCB Thickness: Approx. 0.8mm / 0.03in Receive Maximum Current: 5V800mA receive output Use Distance: Approx. 5 ~ 23mm / 0.2 ~ 0.9in The Current Ratio of the Output Distance of the Receiving PCB and the sending PCB to the voltage: 5mm receiving port 5mm Receive 6mm 5V800mA output Receive 5V700mA output within 7mm 8mm receive 5V700mA output 9mm receive 5V600mA output 10mm receiving 5V500mA output 11mm receiving 5V500mA output 12mm receiving 5V400mA output 13mm receive 5V350mA output 14mm receive 5V300mA output 15mm receive 5V250mA output 16mm receiving 5V200mA output 17mm receive 5V200mA output Receive output 5V150mA 18mm 19mm receiving 5V150mA output Receive 5V120mA output at 20mm 21mm receiving 5V100mA output 22mm receiving 5V100mA output Receive 23mm 5V100mA output . Package List: 1 x Module1 x Cable