Features: Circuit test is for ideal for checking various vehicles electrical circuits, quickly check automotive headlights, taillights, turn signal circuits, faulty sockets, etc. LED indicates positive and negative polarity, red is positive, green is negative. Extended 2.5 meters PU spring wire cord and large size alligator clip for easy and one hand operation. Heavy Duty circuit light tester with highly clear LED digital backlit display screen, resolution to 0.1V. Good conductivity to prevent accidental injury. Using our Test Light to make your life more convenient and safer Package Includes: 1x Automotive Test Light Specifications: Material: Rubber PC Voltage range: 3-60V Resolution: 0.1V Accuracy: (1+3digits) Operating temperature: 0-50C Working humidity: less than 80% 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.