ITEM NAME:5CH 27Mhz Remote Controller Unit Receiver Circuit Board+Remote Control for X5S1 5CH 27Mhz Remote Controller Unit Receiver Circuit Board+Remote Control for X5S1 Type:Remote control Use: Vehicles & Remote Control Toys RC Parts & Accs: Antennas very small size, nearly coin it can control 3 motor, 2 motor can mover two direction, 1 motor can move 1 direction long distance control distance:10-20 meter(open area) Frequency:27Mhz remote control:AA battery*4 (not incloud ) receiver board input:4-7.2v receiver board output:4-7.2v colour:black Material:plastic size:Receiver board size: 4.7 * 4CM Package Contents: 1* Remote control 1* Receiver board 1* Antannal for receiver board