Low price Proton 315mhz car key remote control, including remote control key body, inductive charging circuit and magnetic field transmitter. Inductive charging circuit includes induction coil, charging controller and rechargeable battery, rechargeable battery is connected to induction coil through charging controller, inductive charging circuit It is located in the remote control key body. The magnetic field transmitter includes a magnetic field transmission driving circuit and a transmission coil. The magnetic field transmission driving circuit is connected with the vehicle bus and the vehicle circuit. The magnetic field transmitter is located outside the remote control key body. The power supply of the circuit, the magnetic field transmission drive circuit drives the transmission coil to generate a magnetic field, the induction coil receives the magnetic field and generates an induced voltage, and the induced voltage charges the rechargeable battery through the charging controller.
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