Tests up to 1000VAC with visual/audible indication
- 75 to 1000VAC input voltage with 45 to 65Hz frequency range
- LEDs indicate phase orientation (clockwise or counter-clockwise) and whether each phase is live
- Beeper sounds intermittently when correct phase is detected and continuously if phase is reversed
- Durable housing with back cover magnet for attachment to an AC distribution panel for easy measurement
- Adjustable Hi/Lo LED brightness switch for making measurements in dimly lit areas or sunlight
- Fully insulated alligator clips with wide jaws
- Low battery warning
- Complete with three built-in 30" test leads with large color-coded alligator clips, four AA batteries, and pouch case