The Launch Tech X-431 TSGUN is designed to be a portable, affordable, powerful TPMS tool solution. It works with Launch Tech X-431 diagnostic scan tools to expand TPMS functions. Additionally, the X-431 TSGUN covers approximately 98 percent of global TPMS coverage, can activate and match all 315 MHz/433 MHz sensors, and monitors tire pressure, temperature, and battery status by simply being close to the tire of vehicle.