-Self Testing Before Use:
Close the tester probe to any hot line,bestest ll will light up together with buzzer sound.If the light and sound are weak,please replace the batteries inside.
-Test Voltage Present:
Close the test pin to live parts,the tester will light up together with sound
-Don't place the tester near high voltage.
-Check before use.
-Never test the voltage which than 1000V AC
-Test voltage range:90V-1000V AC
-IP54, IEC 1010
-AAA 1.5 x2 (Not Included)