Feature 1Adopts high quality ABS material, rust resistant and very durable. 2Will quickly detect the situation of 12V automobile battery, and be displayed by the corresponding LED. 3With the function of circuit protection, safer and more reliable when in use. 4Professional manufacturing, precision testing, and stable performance. 5This portable design, easy for you to operate and carry. Detection with 6 LED light will improve the driving safety.Features: Adopts high quality ABS material, rust resistant and very durable. Will quickly detect the situation of 12V automobile battery, and be displayed by the corresponding LED. With the function of circuit protection, safer and more reliable when in use. Professional manufacturing, precision testing, and stable performance. This portable design, easy for you to operate and carry. Detection with 6 LED light will improve the driving safety. Specification: Item Type: Battery Tester Condition: Brand new Material: ABS Color: As pictures shown Wire: 0.06 square millimeter copper Line length: Approx.250mm/9.8in Maximum Voltage / Current: 12 v / 15A Number of LEDs: 6 (2 red, 3 green, 1 yellow) Features: Portable Function: Improve driving safety Dynamo is Able to Control: First Light (Red): Error Second Light (Green): Good Third Light (Green): Full Check the Battery State: First Light (Yellow): Middle Second Light (Red) : Low Third Light (Green): OK Package List: 1 x Battery Tester 1 x User Manual