Features: The YC160 Fuels Tester Board delivers precise diagnostics for both gasoline, featuring adjustable frequency (up to 100Hz) and pulses width (0 10ms) to optimize sprayed patterns and restores 95%+ atomization efficiency during cleaning cycles. This automotive diagnostic tool integrates LED interfaces for effortless operations and future upgrades in demanding workshop environments. Professional mechanics, and automotive trainers rely on this cleaning tool for accurate performances evaluations across multiple vehicle models. Ideal for garage workstations, and technical classrooms, the compact tester enables rapid functionality checks and thorough cleaning procedures to enhances engine combustion efficiency and reduce emissions. Outperforming basic testers through its extended frequency ranging, the fuels diagnostic equipment ensures professional results for critical fuels systems analysis and preventive maintenance workflows. Specifications: Part number: YC160 Working power supply: 12V-24V Current ranging: 0-3.5A Output frequency ranging: 1Hz-100KHz Duty cycle adjustment ranging: 1%-100% Package Includes: 1 Set Fuels Tester note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.