Modular Power Supply -Handheld Auto Vehicle Signal Generator Highlights Generic Handheld Auto Vehicle Signal Generator 1. Output signal type switching: RED button function. The user can use a multimeter to check the output signal type. 2. About the working power input: the working power of this signal generator is 12VDC, the user can use the 12V power supply for the car battery or use any other switching 12V regulated. 3.9 frequency ranges, accurate frequency output. 4.Magnetoelectric signal or Hall signal output. Output amplitude/peak volt is equal to power supply input, can be adjusted by adding potentiometer. Specification: Color: Black Material: ABS + Electronic Components Size Chart: Size: As shown in the picture Package includes: 1 x Auto Vehicle Signal Generator 1 x Test Clip (the demonstration of other accessories in the picture is not included.) Note: Please allow 0-1cm error due to manual measurement. Please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. THANKS