1. Compact Design, C823 Power Scan Kit is the ultimate diagnostic tool for 12V24V vehicles (3.5V36V). Its four advanced diagnostic modes—DC Voltage, positive/negative poles, continuity, and ground testing—enable rapid and precise fault identification, making it an essential companion for automotive professionals and enthusiasts alike. 2. PlugandPlay Operation Designed for simplicity, just clip the device to the car battery and you're ready to diagnose. With its powerful probe tip and ground lead, effortlessly activate or test components like radiator fans, starter motors, relays, and more. 3. Intuitive Safety Features Stay informed and with the kit's blue LCD voltage display and builtin LED illumination for dark environments. The overload protection and audible beep warning ensure a r diagnostic process. 4. Polarity Testing Made Easy Instantly determine the polarity of any without pressing a button. The surface probe quickly identifies whether a circuit is charged, positively polarized (red LED), or negatively polarized (green LED).