ECMallUS via Amazon offers the Meterk Digital 4,000 Counts AC/DC Auto-Ranging Multimeter for $40.97. Coupon code "HKPZN368" cuts it to $26.63. With free shipping, that's $51 off and the lowest price we could find. It features a non-contact voltage test function, overload protection, continuity test, auto-ranging, and a backlit LCD display. Deal ends October 15.