Klein Tools ET40 Voltage Tester
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- Tests AC voltages from 12V to 240V AC at four useful levels aligned with commonly used residential voltages
- Tests DC voltages from 1.5V to greater than 17 to 24V at four useful levels aligned with commonly used DC voltages
- Bright LEDs illuminate to indicate the type and level of voltage detected
- Built to withstand a 9.9-Foot (3 m) drop
- Indicates polarity when measuring DC voltages