Features ★ Flexible Measurements: The multimeter enters the intelligent automatic mode in default, and the small multimeter pen automatically recognizes and measures AC and DC voltage, resistance, and continuity. It can also test capacitors, diodes, frequencies, an ★ With High Safety: You can use this non contact AC voltage detector to check whether cables, wires, or sockets have AC voltage. ★ Easy Operation: Use the SELECT button to switch measurement mode, and use the HOLD button to keep data. The backlit LCD screen ensures clear reading in dark or bright areas. The flashlight below the probe can help you work with peace of mind in dim light ★ Pen Clip Design: Lightweight and compact tool with pocket clip, small and exquisite, easy to carry when going out. ★ Wide Utilization: The power tester is suitable for industrial electrical safety measurement, household electrical problems, vehicle and circuit inspection. Specification: Item Type: Digital Multimeter Pen Display Mode: LCD Display Screen Maximum Display: 3999, 3 3/4 bit automatic polarity display. Measurement Method: Double integral A/D conversion. Sampling Rate: Approximately 3 times a second. Over Range Display: Display OL at the highest value. Battery: 1 x AAA 1.5V 1500mAh, shipped with matching battery. Maximum Measurement Range: 0.8-600VAC, 0.8-600VDC, 0.1-40M Ω Beep Threshold: The measured resistance at both ends of the probe is less than 50 Ω.  Package List:1 x Digital Multimeter Pen 1 x Testing Cable1 x User Manual1 x Battery Package List 1 x Digital Multimeter Pen 1 x Testing Cable 1 x User Manual 1 x Battery