What's in the box:

Dual Voltage Tester Sensitive Adjustable ANENG Non-Contact Voltage Detector Pen with Alarm Mode Live or Null Wire Judgment LED Flashlight Beeper (Standard)

Features:
Non-Contact Detector --- Non contact detection of AC voltage with NCV inductive probe; Just place the tip near a terminal strip, outlet, or supply cord. According to the led light and beeper you can know the voltage present and can also distinguish fire or neutral wire. Ideal for breakpoint Test.
Dual Range Adjustable Sensitivity --- The voltage tester pen with stadard and low voltage (12-1000V AC / 48-1000V AC)for more sensitive and flexible measurements. Press S button can switch sensitivity for your different needs.
LED Flashlight & Beeper Alarm --- With 2 volt alert, when detect the fire wire, will flashlight Red led indication with beeper alarm; And when detect the null wire, will flashlight Green led indication with beeper alarm. The tester pen also have a bright LED flashlight for work in dim ares.
Auto Power Off & Portable Pencil Hook --- After about 15 minutes without any operation or signal detection, the voltage detector will be automatically shut down to extend the battery life and save energy; Features convenient portable pencil hook, easy carry on and convenicet take out.
Application --- This AC voltage pen can easily detect the wire breakpoint, handy circuit tester for electricians and homeowners. By change sensitivity can use for detect high range socket and low range for doorbells, thermostats, irrigation wiring etc.

Specifications:
Material: ABS
Color: Black
Sensitivity Adjustment: 12V-1000V/48V-1000V
Power Supply: 2 x 1.5V AAA Batteries(Not Included)
Flash light: Yes
Auto power off: 15min not use
Low battery indication: yes
Safety level: CAT III 1000V
Item Size: 15.98*2.54*2.74cm/6.3*1.1in
Item Weight: 45g/1.6oz
Package Weight: 50g/1.8oz
Package Size: 16*3*3cm/6.3*1.2*1.2in

Package List:
1 * Voltage Detector Pen(battery not include)
1 * User Manual