KAIWEETS 2-in-1 Voltage Tester Screwdriver LCD Display 3-500V AC

• Amazon now offers the KAIWEETS 2-in-1 voltage tester screwdriver with LCD digital display, 3-500V, now $8.79 (list price $19.99), with promo code M6RZ0QP0.
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
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Editor's Pick: When replacing an outlet or checking wiring at home and you're not sure which wire is live, just bring the tip of this pen close and it will sense it. The LCD screen shows real-time voltage and signal strength, so you know what you're dealing with before you start. The other end has a magnetic Phillips screwdriver that's perfect for turning panel screws, so you don't have to keep switching tools. The insulated handle is non-slip and comfortable to hold, so testing and disassembly are all handled in one go.

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Image from @Amazon, copyright belongs to the original author