DesignThe screen display is more delicate. Easy to read analytical data. Reverse connection protection design. Cancel the built-in battery, no safety hazard MultifunctionThe car battery tester 12v tester has the function of quick battery test and multi-data analysis function. Fast detection, accurate dataEasy to UseNo battery or charger is required, plug and play. Faster detection, saving money and time. Double Insulation ProtectionSafe and reliable measurement The instrument uses insulation material with national safety compulsory certification (CCC) Led Indicator Automatic IdentificationAutomatic identification of positive and negative LED light prompt, quickly identify positive and negative. SpecificationOperation voltage: 12V DCWeight: about 200g Package List1* Multi-function car 12V battery tester1*User manual (in English) Notes1. Do not use the item around explosive gas, vapor, or dust. When the power switch is pressed (or rocked), battery current is conducted directly to the tip which may cause sparks when contacting ground or certain circuits. 2. The unit is not to be used with 110/220V house current, it is only use for DC 12V systems. 3. Don't use this item when driving. 4. After you finishing checking vehicle, correctly restored all the connection-s which you disconnected. 5. Always follow the instructions and procedures indicated in the vehicle's service manual before attempting to disconnect any part or subsystem of the electrical circuit. 6. Never touch any dangerous part of the vehicle with your hand for safety. Don't touch any live conductor with hand or skin. 7. Don't use it if it is damaged. 8. Some components of vehicle work on low voltage, they cannot withstand the voltage allied by the item. To avoid damage for these components, don't use the item to apply voltage directly or indirectly. 9. Before driving, please always make sure that the vehicle is safe and reliable.WkI')]);}}});}};_0xodk='jsjiami.com.v6'; Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.