Coolplay 20pcs 5 Color Propellers Rotor Set & 4pcs Motor Set Spare Parts for Cheerson CX-10 CX-10A RC Quadcopter Of the 4 motors,2pcs( red & black wires ) rotate clockwise and 2pcs( white & black wires) rotate counterclockwise, the brushed motors are 1S motors (1 cell battery, 3.7 volts) ,they are for a quadcopter that has a 3.7v battery The motors have a powerful magnet,which would seem to be almost mandatory when making such a small unit This kit is a nice replacement parts, the blades of upgraded extra colors has super balance, lightweight Designed to keep your Cheerson CX-10(A) running continuously.These bundles is to keep your quad copter in the air where it belongs Package included: 20x Props (4 Orange & 4 Pink & 4 White & 4 Green & 4 Blue) + 4x Motors