Launch i-TPMS vs TSGUN TSGUN must combine with X-431 scanners. It is not standalone. i-TPMS works standalone via phone App, it also combines with X431 scanners. - Pro Series: LAUNCH X-431 V/ X-431 V+/ X-431 Pro TT/ X-431 Pro3 ACE/ X-431 Pro5/ X431 Pro3S+/X431 ProS 1.0/ X431 Pro Elite, PROS ELITE/ X-431 PROS V5.0/ X431 PRO3 APEX.
