MagiDeal Remote Controller Receiver Set Kid Children Toys RC Car Parts Hobby Description:Transmitters Power Supply: AA battery,Voltage: 3V27mhz Universal Remote ControlReceiver: DC4.5-6V,Voltage: 3VMaterial: PlasticBatteries are not included insideController Size: Approx. 120x85x45mm / 4.68x3.32x1.76inchReceiver Size: Approx. 42x27mm / 1.64x1.05inchSpecification:How to use it:Keep remote controller and receiver off, then switch on power supply.Switch on receiver, then quickly switch on remote controller. If the red indicator light quickly flash then extinguish, it means that equipments pair succefully.The maximum current output is 5A, accelerator key is installed in the middle.This set is suitable for model car and ship, NOT for plane.Package Includes:1 Piece Remote Controller1 Piece Receiver