1: This spoof uses the 2721 hardware chip, which cannot be upgraded, cannot change the voltage, and cannot be solved with compatibility problems. 2: Not all USB-C power supplies can support all voltages , If the power supply does not support the requested voltage then the lowest voltage will be provided , The module just performs the negotiation and passes the output. 3:In order to use over 3A you will need to use an electronically marked Type-C cable , A real USB power source is required, will not work with QC-only chargers.. Parameter: 1).Product Name:12V . 2).Deception Voltage:9V 3).Product Chip:2721 hardware chip 4).Work Temperature:-25~85 5).Work Humidity:5%~95%RH 6).Size:17.6x10.2x4.2mm Colour:Photo Color Material:ABS Package Contents: 5 x 9V Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.