This tester is designed for automotive battery load voltage test, charging voltage test and starter motor test. It is very useful and can be used in a vehicle's fault diagnosis and service.Features: Battery Load test Cold Temp. Effects Charging Voltage Test Starter Motor Test: Specifications: LED indicator: Green Light The "GOOD" LED lights--battery capacity is OK Yellow Light The "WEAK" LED lights but reading still remains steady --battery capacity is not satisfactory. Red Light The "BAD" LED lights but displayed voltage is falling -- battery may be defective or very run down. Button: LOAD SET CCA Battery Voltage Indicator 6V 12V With connected black and red clamp Max. LCD display: 999 CCA settings: 300/400/500/600/700/800/900/999 (1000) Power: directly by the vehicle battery Dimension: 204 x 102 x 64.5mm Weight: Approx. 250g (without Battery) Set Includes: 1 x Automotive / Vehicle Battery Tester 1 x English Instruction Manual Standard Factory Packaging Box