Features: Multifunctional Digital Multimeter: for measuring AC/DC Current, AC/DC Voltage, Resistance, Continuity & Diode, Capacitance, Frequency & Duty Cycle, and temperature. Power Saving Auto-off: the product is battery powered, it will automatically power off after 15 minutes of inactivity, the built-in beeper will beep 5 times to remind you 1 minute before auto power off. Temperature Range: testing range is -20~1000C/-4~1832F, C / F unit conversion. Other Functions: true RMS, data hold, backlight, low battery indicator, etc. Made of durable ABS, which is crash resistant, anti-shock and has comfort hand-held feeling. Characterized by stable function and high reliability, this multimeter is an excellent tool for laboratory, factory, radio fans and family use, etc. Specifications: Material: ABS Display: 6000 counts Range: Auto Sampling Rate: 3 times/second Duty Cycle Accuracy: (0.1%+2) Diode: Yes (forward DC current is approx. 5mA, voltage is approx. 3V) Continuity: Yes (