Features: High precision voltage detection, can quickly and accurately measure the 12V voltage,ensures the safe operates of equipment. Compact and portable, easy to install and use; High sensitivity sensoring, strong stability; digital display, intuitive and easy to read. Suitable for electronic engineers, vehicle maintenance personnel, enthusiasts and other professionals who need to detect voltage. Can be widely used in automotive, marine, circuit boards and other fields for detecting the voltage condition of batteries, engines, circuits and other equipment. Specifications: Size：about 4.3×5.6cm Voltages: 12V 24V Optional Package Includes: 1PC Digital Voltage Detection Module note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.