UUMART Cheerson CX-20 ESC Red Light Control System RC Quadcopter Parts This is the New Version: Mfl1218 V1.6 High quality and durable in use Usage: For Cheerson CX20 RC Quadcopter Item Name: Cheerson ESC Red Light Control System CX-20-005 It Can Not Compatible with Old Version: XGW_ ESC Ver2.3 or V1.4 or V1.5