Specification:

AC voltage detection: 12-1000V/48-1000V
Frequency: 50/60 hz
Battery: 1.5V AAA *2 batteries (not included)

How to use:

1. Press the power button to start the tester.

2. Voltage alert: If AC voltage is detected, the buzzer will beep and LED light will flash. The higher the AC voltage, the higher the frequency of beeps and flashes.

3. Flashlight: The built-in light is useful in dim conditions and it turns off automatically after 5 minutes to conserve energy.

4. Auto power off: Voltage tester will automatically power off after 3 minutes of no AC voltage detection.

5. Low battery power indicator: When the battery is low, the power indicator lights will flash 3 times, the buzzer will beep one time, and the tester pen will power off.
 

Package included:

1 x Voltage Tester Pen