1. AC Voltage Induction Range: 50~1000ACV.
2. Zero Wire and Fire Wire: aim at common
   socket is 90~250 ACV By induction distance
   can distinguish Zero Wire and Fire Wire.
3. Frequency Range: 50~500Hz
4. Buzzer Warning: when induct signal the
   buzzer will ring for warning
5. Red Light High Bright: when the induction signal
   is 50~1000 ACV, the red light will high bright
6. Power Supply: two 1.5V AAA batteries, continue
   using life more than twenty-four hours, treat life
   is more than one year
7. Main body and Cover of battery coluor: ABS Paton 426U
8. Probe coluor: PC