ENERGY SAVING: Auto power-off without detecting in 5 minutes, with a LED flashlight.
EASY TO USE: When voltage is present, the unit makes an audible "beep" and the tip turns red. With the strength of the electric field, the sound becomes faster. Easy to distinguish between Zero Line and Fire line.
VOLTAGE RANGE: Sensitivity Range 90 - 1000V AC. Can detect the electric field radiation intensity of household appliances.
OUTLET TESTER: Clear status indication graph GFCI test button. It is convenient to test out whether the socket/plug is safe.
INDISPENSABLE: Essential tool for electrical, remodeling, home improvement projects!