P8DA Car Electrical Circuit Test Pen 6-12-24V Self Diagnosis Digital Display Voltage Test Pen Power Probe Pencil Car Tool OOTDTY Features: Circuit Tester for 6V-12V-24V DC Systems, used to detect power, ground and find shorts and breaks in wires. Long probe with alligator clip make sure you are able to reach the tight place. Made of durable metal and plastic, durable and reliable. Handle brightly illuminates if circuit is good. Due to the different measured voltages, the brightne of the light will be different. Can be used for private car, Sedan, SUV, RV, a profeional tool for detecting open circuit, fuse, tuning signal light, headlight, taillight, etc. Specification: Material: Metal+Plastic Cable Extended Length: 220cm/86.61in Tester Size: 14.5x7.7x7cm/5.71x3.03x2.76in Package Includes: 1x Car Circuit Tester note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.