Fatjay Flysky Fs-it4s 2.4ghz 4ch Rc Radio System Transmitter Fs-ia4b Receiver Controller With Touch Screen It4s For Rc Car Boat - Parts & Accs - AliExpress
FlySky FS-BS6 Receiver 2.4Ghz 6CH AFHDS2 for FlySky FS-GT5 FS-IT4S RC Car Boat - Walmart.com
Amazon.com: Flysky FS-BS3 FS-BS4 FS-BS6 Receiver with Gyro Stabilization System for Flysky FS-IT4S / FS-GT5 Remote Control Accessory (FS-BS3) : Toys & Games