VDIAGTOOL V200 Pro Upgraded set : 3 in 1 Automotive Power Circuit Probe Tester Breaker Finder with 30 Pin 👋Dual combination mode helps you to check complex automotive circuits faster. Mode1️⃣: Monitoring of circuit data values. Normal component measurements do not exceed a reasonable range. Mode2️⃣: Circuit problem localization. Accurate indication of fault points through audible alarms to assist in repairs. .