AC non-contact voltage testers are easy to use you just need to touch the tip to a terminal strip, outlet, or supply cord. When the tip glows red and the unit beeps, you know there is voltage present. Electricians, maintenance, service, safety personnel, and homeowners can quickly test for energized circuits in the workplace or at home.

Features:
Safe and easy-to-use
With LED light
The voltage detector designed for electrical testing
Small and compact pen design for easy carrying
Non-Contact Detection
This instrument is only used to judge whether the conductor is live or not
A necessary tool for everybody who works with electricity
Ideal for testing AC cables, circuit breakers, wall sockets, junction boxes, fuses, etc
All outer surfaces are non-conductive for safety
Touch the wire with the pen tip. If the red indicator lights up, it means voltage exists. Detects voltage without metallic contact
Voltage Sensitivity: 90~600V AC (never test the voltage which is more than 600V AC)
Power by: LR44 x 3 (not included )
Size: 12 x 2 x 1.5 cm (approx)
Color: as the pictures show
Packaging:

Voltage Detector Alert Pen x 1

"