Specifications: Made of high quality ABS material, the car battery tester is durable to use. It is stainless, which has long service life. With high performance, it can quickly test the car battery and the charging state. Large screen display is convenient for you to read. Designed with simple structure, it is easy to operate. Over voltage protection is provided, which is safe to use. Item Name: Car Battery Tester Material: ABS Voltage: 4-12 V Working Temperature: 0-60 Degree Celsius Display Color: Red, Yellow, Green LED Lights Features: Easy to Read, Easy Operation, Car Accessory Size: 12cm x 4.8cm x 1.85cm/4.72" x 1.89" x 0.73" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Battery Tester 1 x User Manual