LAUNCH X431 Sensor simulator and tester 2 channels digital S2-2 sensor boxLAUNCH X431 Sensor Simulator and Tester 2 Channel Digital S2 2 Sensor Box [Versatile Sensor Tester] LAUNCH S2 2 Sensorbox is a powerful tool designed to test and simulate a wide range of vehicle sensors, making it an essential diagnostic device for troubleshooting engine control units (ECUs). [Compatible with LAUNCH Scanners] This Sensorbox is compatible with a range of LAUNCH scanners, including x431 PRO ELITE, X431 Throttle, X431 Pad II AE and more.