
It will work once you figure out how to connect it. WITHOUT MANUAL. There are Chinese characters on the back of the device. There are two connectors on the back. Connect the probe to the right side, the orange wire to +, the other wire to -. But I had to try three of the four permutations to get there. I just looked at his Revain list and you can see the correct wiring there. . Why did not I think of this. Okay, 3 stars anyway, just for making myself look stupid.

Cable tester BENETECH GM60
15 Review

Xiaomi iHealth Meter Thermometer White
24 Review

ICQUANZX LCR-T7 Transistor Tester: Advanced TFT Diode Triode Capacitance LCR ESR Meter
14 Review

VIVREAL 4 In 1 Stud Finder Wall Scanner With LCD Display - Center Finding Beam Finder And Sound Warning For Wood, AC Wire, And Metal Studs (Black/Silver)
24 Review

β Stainless Steel L-Square, Size 3-Inch x 4-Inch, Zona 37-434
8 Review

Triangle Group TR918 225/45 R18 95V summer
61 Review

π Johnson Level and Tool 400EM-S 12-Inch Heavy Duty Metal Combination Square for Professionals, with Inch/Metric Measurements, Silver - 1 Square
8 Review

π CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
3 Review