Product features:one-to-one Bluetooth frequency (not affected by remote control of other cars), three-speed speed control, with slow start device.12V remote control operationPress car power buttonPress the "speed adjustment button"and"emergency stop button" at the same time for 5 seconds. When the indicator lights up without flashing,the signal is matched successfullyProduct Name:2.4G frequency Remote Controller and receiverType:CColour:WhiteMaterial:plasticPackage Contents:1 x Remote Controller1 x receiverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +- 1-3cm.