Soondar&reg; Voltage Ohm Meter 510 808D Resistance Reader Tester Portable Digital Ohm & Volt Ohmmeter Resistance Guage Red LED Display The Multimeter built-in coil threading connections for voltage and ohm readings Testing range: 0- 20 ohm resistance testing range and 0-12V Voltage testing range Bright display screen with red numbers on it. It is quite convenient for you to bring anywhere. Portable and small are its core features. 2 AA batteries required, but not included.