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: 4 * Remote control 4 * Receiver board 4 * Antannal for receiver board Only 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.