













⚡ Stay powered, stay safe — the ultimate voltage testing trio for pros on the move!
The KLEIN TOOLS 80077 Voltage Tester Kit is a professional 3-piece set featuring an electronic AC/DC voltage tester, GFCI outlet tester, and non-contact voltage pen. It covers a wide voltage range (12-240 VAC, 1.5-24 VDC) with 98% accuracy, includes bright LED indicators for easy reading, and tests common wiring faults to ensure electrical safety. Lightweight and battery-powered, this kit is designed for reliable, on-the-go diagnostics in residential and commercial settings.






| Manufacturer | Klein Tools |
| Part number | 80077 |
| Item Weight | 209 g |
| Product Dimensions | 38.1 x 25.4 x 7.62 cm; 208.65 g |
| Batteries | 4 AAA batteries required. (included) |
| Item model number | 80077 |
| Color | Green |
| Style | Outlet Testing Kit |
| Pattern | Tester Kit |
| Power source type | Corded Electric |
| Item Package Quantity | 1 |
| Measurement Accuracy | 98% |
| Included components | Voltage Tester Kit |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
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