kokorest via Amazon has Meterk Digital 6000 Counts RMS NCV AC/DC Voltage Auto Range AC Multimeter for $14.98 with free free shipping for prime member or on orders over $25. You can save $9.99 with the code SDGDCOVK at checkout.
- Accurate AC/DC voltage, AC current, frequency, duty cycle, diode, capacitance and resistance measurement
- Non-contact voltage detection function with a sensor to detect voltage and avoid electric shock without touching any wires
- Designed to safely and accurately confirm the circuit conducts electricity with low voltage indication and overload protection
- Small and portable to carry and use