This item includes:

1 High Voltage Detector with ALARM

Tech Specs:

Working distance:

3,300v- about 40cm

6,600v-about 80cm

22,900-about 110cm

Highlights:

Depending on where the Antenna is facing, the sensitivity can change.

If the alarm sound is weak, replace the battery.

Do not pull on the antenna by force.

Do not wipe with rubbing alcohol.