Features: Brand new and high quality Simplifies your charging experience with this Cordless power Enjoy the convenience of Cordless power with these efficient Module. Suitable for many users, these Cordless power Module offer charging. From home to office, these Cordless power Module adapt to various environment. Upgraded your charging setups with this reliable accessory that eliminates the need for cable. Specifications: Material:Metal Input voltage: 9V-12V Working current of transmitting module: 600mA No-load current of transmitting module: 12V 600mA 9V 53mA. Module: 11x18mm Transmitting Terminally: outer diameter: 82.2mm, inner diameter: 70mm. Inductance: 30uH Receiving Terminally: outer diameter: 55mm, inner diameter: 30mm. Inductance: 55uH Distance: 40mm Brightness: 60lm Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color the item. Package includes: 1 Set Cordless Power Supply Module