1、TROUBLESHOOTING AND ACCURACY: The pen type digital multimeter support AC DC voltage, millivolt, resistance measurement, voltage sensing, diode measurement, and on off measurement 2、POWERFUL FUNCTIONS: The pen type AC DC voltage tester adopt non slip design, support neutral and live wire identification, automatic shutdown, data retention, and prevent burn protection, which is real and effective 3、PORTABLE AND CONVENIENT: The pen type digital multimeter use a pen body design, small and convenient, easy to carry, one hand to hold, measurement worry free 4、FLASHLIGHT LIGHTING AND DIGITAL DISPLAY: Voltmeter sensor pen equipped with flashlight lighting function, bring 24H lighting, fear of darkness; LCD digital backlight display, high definition backlight make reading clearer 5、AUTOMATIC RECOGNITION: Pen type digital multimeter electrical tester support intelligent detection, automatic recognition, automatic measurement of AC and DC voltage, resistance, on and off buzzer Item Type: Pen Type Digital Multimeter Material: ABS Battery Type: Lithium battery Battery Capacity: 200mah Maximum Display: 5999(5s/6) automatic display of polarity Measurement Method: Double integral A/D conversion Sampling Rate: About 3 times per second Overrange Display: Yes Low Pressure Display: Yes Working Environment: (0-40℃), relative humidity < 80% Accuracy: (1% of the reading and the lowest significant number) to ensure accuracy Ambient Temperature: (23±5%) ℃ 1 x Pocket Mini Multimeter 1 x USB Cable 1 x Protective Cover