Features: Accurate data, suitable for mos kinds of 12.0V battery detection, such as ordinary battery, gel battery. 2.8-inch color display, clear and convenient. With reverse protections function, safe and convenient. Print function, you can print screenshots. Cancel the built-in battery, no potential safety hazard. This battery detector, accurate data, quick detection, suitable for a of 12.0V batteries, 2.8 inch color display. It is easy to use and has printing function. Nine kinds of voice can be . It is widely used. Specifications: Product name: 12V battery tester Main control chip: APM32F103VCT6 Appearance color: blue Interface type: a pair of reverse black and red alligator clips, cable length 1 meter Display: 2.8 inch TFT color screen, resolution: 240x320 Working voltage: 9~ Operating Temperature: -20 to 60 Storage Temperature: -20 to 70 External Power: 2V Measurement standards: , , GB, SAE, , CA, DIN, IEC, EN, BCI Measurement type: ordinary battery, flat plate, winding, GEL, Support Language: English, Chinese, Russian, Portuguese, Italian, French, German, Spanishpolish Material: plastic colour: blue Package Contents: 1 x Car battery tester 1 x English instructions Only the above package content, other products are not included. Note: Light reflection 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.