The customer comes first! If you have any dissatisfaction with the product, we support full refund within 30 days! ANENE A830L Digital Voltmeter Ammeter Ohmmeter Multimeter AC Tester Meter Features: new and. The meter is a hand 31/2digital multimeter for measuring voltage and current, resistance, diode , transistor, freguency, temperature and continuity test with battery operated. Fit for schools, factories, families and amateur wireless lovers. Small and compact design. A great electronic measuring instrument. The back light of display is optional. Specifications Protective Tube: F500mA/250V Power: 9V NEDA1604 or 6F22 Battery (NOT Included) Display: LCD, 1999 counts, updates2-3/ect. Measuring method:-slope integration A/D converter Overrange Indication: figure "1"on the display Polarity Display: - for Negative Polarity Working Temperature: 0-40 °C Storage Temperature: -10°C-50°C Viflosae ANENE A830L Digital Voltmeter Ammeter Ohmmeter Multimeter AC Tester Mete Electronics Gadgets Up to 40% Off The meter is a hand 31/2digital multimeter for measuring voltage and current, resistance, diode , transistor, freguency, temperature and continuity test with battery operated. Fit for schools, factories, families and amateur wireless lovers. Small and compact design. A great electronic measuring instrument.