Overall length: 26.5cm/10.4in Wiring length: 16ft 1. Multi-functional tester: It can be used to test conductivity, test voltage polarity, check lamps, check motors, trace and locate short circuits, test for poor ground contact and many other electrical parameters to meet all your testing needs. 2. High-precision Measurement: The tester can provide high-precision measurement data to accurately detect abnormalities in automotive circuits. 3. High-quality materials: the tester is made of high-quality materials, sturdy and durablily, can be used for a long time. 4. Easy to carry: the tester is compact and can be carried around, which is convenient for you to use during vehicle maintenance. 5. Convenient and easy to use: the tester is easy to operate and does not require specialize skills, suitable for car players and professional repairers to use. Package includes:1pcs*Digital Automotive Car Power Circuit Electrical Tester