I added this to a regulated power supply that I built myself. It goes very well with my voltmeter and installation was trivial although no instructions were included. It's bright and easy to read (although it's small - you can't read it from across the room!).
Xiaomi iHealth Meter Thermometer White
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ICQUANZX LCR-T7 Transistor Tester: Advanced TFT Diode Triode Capacitance LCR ESR Meter
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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)
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Cable tester BENETECH GM60
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β Stainless Steel L-Square, Size 3-Inch x 4-Inch, Zona 37-434
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π² Johnson RAS-1B Johnny Square: Professional Aluminum Rafter Square, 7'', Silver - Top Quality with 1 Square
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Kapro - 353 Professional Ledge-It Try & Mitre Square - For Leveling And Measuring - Features Stainless Steel Blade, Retractable Ledge, And Etched Ruler Markings - 12 Inch
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TV bracket Kromax DIX-18 black
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