[PREMIUM QUALITY]: Automotive Circuit Tester Probe Made of metal, Used for Threading, With A Large Alligator Clip for Convenient One-Handed Operation. Also, It Can Reach Tight Areas That Are Hard to Reach. ABS Body Provides Superior Durability Over Other Products, As It Is Shatter-Resistant. A Top-Of-The-Line 47-Inch PU Wire That Provides Heat Insulation, Wear Resistance, And Tensile Strength to Test Light for car. [WIDE APPLICATIONS]: 6-24V Automotive Screwdriver Test Light, Widely Used Circuit Test, Excellent for Various Circuits on Automobiles, This Automotive Tester Can Also Be Used for Other 6-24V Circuit Test, Including Battery Test, Headlight Test, Brake Light Test, Fault Connections and Injector Signal Test. [TESTER LIGHT BULB]: This LED test light circuit tester bulb has high visibility and long service life. It can indicate the state of the circuit. The brightness of the top 3W lamp can be changed with the measured voltage and can be replaced. [BIDIRECTIONAL TESTING]: Alligator Clamps of Circuit Breaker Tester Can Be Connected to Either Negative or Positive Ground, With the Probe Touching the Other Side. During Positive Connection, The Red Led Will Be On, And During Negative Connection, The Green Led Will Be On. : Color: red + green Material: Metal + ABS LED lights: red and green Package Contents: 1 x Automotive Circuit Tester Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.