Voltage Detector, 12 to 600V AC, 6 in Length, Audible, Visual Indication, CAT III 600V Safety Rating, Extech, Mfr#: DV30$24.99+
AC Voltage Module Kit, 0.1mV to 1000V AC/V DC, 10 in Length, LCD Indication, Fluke, Mfr#: FLK-V3000FC K$720.99+