Feature: 1. Can be used for various kinds of motorcycle and car battery. 2. Bright digital display for easy viewing of screen values. 3. By inputting the accurate ColdStart current reference parameters of the battery being tested, the battery can be judged for accurate testing. 4. 3s to display test results: battery internal resistance, battery voltage and DischargeCapacity. 5. Intelligent chip, with high detection accuracy and quick detection data. 6. With multiple protections, the machine will not burn if it is wrongly connected within 100V. Specification: Applying the conductance testing technology, and the reverse polarity protections etc., this machine server as a 12Volt-24Volt battery tester to provides technicians with information about battery status, to find battery and recharging problems quickly, easily and accurately. Specifications: Color: red Screen: 2.7in Working voltage: 8-30V Cable length: 0.7m Storage temperature: -20℃ to 70℃ (-4℉ to 158℉) Working temperature: -20℃ to 60℃ (-4℉ to 140℉) Item size: 170 * 90 * 34mm / 6.7 * 3.5 * 1.4in Item weight: 360g / 12.7ounce Package size: 205 * 140 * 55mm / 8.1 * 5.5 * 2.2in Package weight: 440g / 1.0lb . Package List: 1 * Battery Tester 1 * Cable 1 * User Manual