The voltage tester can detect AC voltage by contacting the power socket or getting near the live wire.
With signal intensity indication: low, moderate, strong.
With light, convenient to use at night or dark corner.
Automatically turn off when no operation and no detection of AC voltage.
Powered by 2 batteries(not included).
Pen shaped, convenient to carry.

Specifications:
AC Voltage Range: 12-1000V
Frequency: 50/60Hz
Alarm Mode: Sound and light alarm
Auto Shutdown: Yes
Low Battery Indication: Yes
Power Supply: 2 * 1.5V AAA Batteries(not included)
Item Size: 15.5 * 2.5 * 2cm / 6.10 * 0.98 * 0.79in
Item Weight: 33g / 1.16oz
Package Size: 16 * 3 * 3cm / 6.30 * 1.18 * 1.18in
Package Weight: 46g / 1.64oz

Package List:
1 * Voltage Tester
1 * User Manual(English)