It is easy to detect the fire/ line and know which line has a bad situation.

Features:
With self checking function to know whether the pen works on or not.
indicate , long service and convenient to view the detection .
The nib is designed with a screwdriver, which is convenient for you to open the socket box at any .
Pen clip design, size and weight for easy carrying.
A perfect tool kit for home and electric industry uses.

Specifications:
Quantity: 1pcs
Color: transparent
Material: PC+metal
Measuring : 70-
Item length: 155mm / 6.1in
Screwdriver size: 17 * 4mm / 0.7 * 0.2in
: 3 * LR41, 1.5V, 25mAh
Package size: 185 * 70 * 30mm / 7.3 * 2.8 * 1.2in
Package weight: 30g / 1.1ounce

Packing List:
1 * Voltage Tester Pen