Product: JR-RX-12V 2.4G Bluetooth Remote Control Receiver setIncludes: A Remote Control, A Receiver, A ManualNote:1, Please make sure it is consistent with the original controller ( (Remove the original controller for comparison)2, When using the remote control for the first time, It needs to be matched, We have given instructions in the box.3, Please ensure that the voltage is consistent, This control is adopted the 12V battery works, If the voltage does not meet the requirements, It will not work properly.After-sales service: One year warranty, Please contact us for any questions, We have a professional maintenance team with more than 10 years of maintenance experience