Features VARIOUS TESTS: this voltage tester can test a variety of functions to meet your different work needs, useful and practical, and provides great convenience Multifunctional: supports automatic identification; DC voltage detection; AC voltage detection; non-contact voltage detection; single test pen live wire detection; power failure judgment Intelligent identification and detection: the intelligent voltage sensor supports intelligent identification of the gear range and automatic detection when switched on Integrated and space-saving: the package is equipped with 2 test pens, which you can test conveniently. The integrated multimeter design not only greatly expands testing applications, but also ensures that you do not consume too much space Scratch-resistant ABS: adopt high-quality ABS material, possess impact resistance, scratch resistance, environmentally friendly Specification: Item Type: Voltage Tester Model: HT122A. Material: ABS Battery: 2 x 1.5 V AAA (not included). Use: DC voltage detection; AC voltage detection; non-contact voltage detection; single test pin detection of live wires Basic parameters: DC voltage: 4V, 40V, 400V, 600V. AC voltage: 4V, 40V, 400V, 600V. Resistance: 4000Ω, 40KΩ, 400KΩ, 4MΩ, 40MΩ. Capacity: 40nF, 400nF, 4uF, 40uF, 400uF, 4mF Frequency: 40Hz, 400Hz, 4KHz, 40KHz, 400KHz, 4MHz. Package list: 1 x voltage tester, 2 x test pen, 1 x user manual (English language not guaranteed) Package List 1 x Voltage Tester 2 x Test Pen 1 x User Manual