Features: The QDB 5A Automotive Actuator Tester combines each oscilloscope, indication generator, multimeter, and stepper motor driver in single portable diagnostic tool, offering exclusive analysis for firing coils, sensors, and solenoid with adjustable 12V/24V compatibility. Featuring a multilingual color screen for real time waveform monitoring, this upgraded tester enables precise frequency adjustments (1 100kHz), duty cycle control (0 100%), and current measurement (0 1.8A) to troubleshoot complex electrical systems in modern vehicles. Designed for professional mechanics and auto repair shops, this versatile actuator detector simplifies diagnostics for urea pumps, idle motors, and electronic fans while supporting critical tasks like inoculators solenoid testing and pressure sensors simulation. Ideal for workshops or field diagnostics, and air conditioning framework pressure sensors simulations with 1.5A stepper motor control and 14.5V output accuracy. efficientize automotive maintenance with its multifunctional design analyze driven components, test diode functionality. Specifications: Model: QDB-5A Power input: direct current 8-28V Output power: 0-2.5A VADJ output: 0-1.5a Digital multimeter: direct current 0-30V/0-1M throb width modulation: 1-100KHz/0-100% Stepper motor: top 15A Package Includes: 1xDrive tester 1xPower cord 3xTest connection cable 4xSingle plug 1xIdle stepper motor plug 1xStepper motor welding cable note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.