AMES DM300 Pocket Sized Digital Multimeter for $17.99 – Harbor Freight Coupons
WGGE Digital Multimeter, TRMS 9999 Counts Auto-Ranging Voltage Tester Voltmeter Measuring AC/DC Voltage Current, Capacitance Resistance, Frequency Voltage Measurement, Duty Cycle, Continuity, and NCV: Amazon.com: Tools & Home Improvement