1VARIOUS TEST: This voltage tester can test a variety of functions to meet your different work needs, useful and practical, provide great convenience2MULTI FUNCTIONS: Support automatic identification; DC voltage detection; AC voltage detection; non contact voltage detection; single test pen live wire detection; power failure judgment3INTELLIGENT IDENTIFICATION AND DETECTION: Smart voltage sensor support intelligent identification of gear range, automatic detection when power on4INTEGRATED AND SPACE SAVING: The package is equipped with 2 test pen, convenient for you to test. Integrated multimeter design not only greatly expands testing applications, but also let you not worry consume too much space5SCRATCH RESISTANT ABS: Adopt good quality ABS material, possess impact resistance, scratch resistance, environmentally friendly