1. Drive test ignition coil: including ignition, coil type, module type. 2. Drive test fuel injector: including gasoline-powered car 12V fuel injector, vehicle 12V 24V fuel injector. 3. Drive and test solenoid valves and fuel metering valves controlled by duty ratios. 4. Drive and test motors controlled by duty ratios, urea pump motors, etc. 5. Drive and test idle stepping motors, instrument stepping motors, headlight follow-up steering stepping motor, and so on. Hall signal with adjustable output frequency, amplitude, and duty ratio. Used for duty cycle sensors such as air conditioning pressure sensor (duty cycle type), air flowmeter (duty cycle type), etc. Power supply voltage range: 12V24V, with reverse connection protection and overcurrent protection. Electromagnetic coil driving current range: 03.5A Output frequency range: 1Hz100kHz Duty cycle adjustment: 1%100% Adjustable voltage: 1.25V11.5V Power In: DC 828V Power Out: 02.5A VADJ Out: 01.5A Voltage Range: DC 030V / 01M PWM: 1100kHz / 0100% Step Motor: Max 15A Color: Black Material: ABS Package Contents: 1 set x Automobile ignition coil tester Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 13cm.