Features: Test all-automotive cranking lead acid battery, including ordinary lead acid battery, AGM-flat plate battery, AGM-spiral battery, and gel battery, etc. Automotive-battery tester, we-an check the overall for health-of the battery, including the cranking test, and run a complete system charging-test. The cranking test is-to test and analyze the starter motor to check if the starter motor is-working properly, and the-charging test is-to check the state of the-charging system to avoid damaging the battery. It is-much more convenient than driving a few-miles to a nearby auto repair store. Plug-and-Play, and it provides Accuracy testing reports within seconds, greatly improved the testing speed compared to other battery testers. It also has a-polarity reversal-for protection-function. The clip reversal- will not damage the tester, and will not have any adverse effects on the car and the battery. Can directly test the loss of power battery, no need to be fully charged- first and-tested. The product adopts ergonomic design, simple appearance, small design, excellent hand feeling, easy to use and beautifully packaged. Specifications: Material:Plastic Size: Approx.11.5x7x2/4.52x2.75x0.78inch Color:Black+Red Model: BA101 Voltage: 12V Working temperature: 0-60℃ Input voltage-range: 9V ~ 15V Test range: 100 ~ 2000CCA, 100 ~ 1000DIN, 100 ~ 1000IEC, 100 ~ 1700EN. AH range: 30-220AH Package Includes: 1x Battery Tester note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.