The General Purpose Digital Multimeter is a professional-grade multimeter. It has convenient features like Data Hold, Large Screen and Non-contact Voltage Detection to make measurements easier than ever before. General Purpose Digital Multimeter KEY FEATURES - Advanced Testing and Measuring for Professionals: Designed to be used by both professionals in a commercial setting, or DIYers that need more from their digital multimeter. - Non-Contact Voltage Detection: The General Purpose Digital Multimeter includes integrated non-contact voltage detection to help get the job done faster. - Accurate Measurements Every Time: Able to measure voltage, current, resistance, continuity capacitance & frequency on one device with the safety and accuracy expected of professional grade equipment. - Durable & Built-to-Last Design: Made of high quality materials providing protection against short circuits; constructed to withstand frequent use in various work environments. - Perfect Tool For Any Level Technician: No matter your experience level, this is perfect for novice users. SPECIFICATION Product Model: S10 Maximum allowable voltage: 620V DC or 620V AC (RMS) Frequency: 1Hz~ 60KHz Resistance: 60MQ On-off buzzer: When the measured resistance < 500 Capacitance: 1nF~99.99mF Diode: Automatic recognition of diodes less than 3.0V Duty cycle: 0.1%~99.9% (ACV 2~620V) Voltage detection alarm: 90V~1000V AC voltage test: 12V~1000V Maximum display value: 9999 digits Auto-off time: about 5 minutes Weight: about 112g (without battery) Product size: 143.4*70.9*15.7mm