The Wiha Tools 43798 Single-pole, non-contact volt detector is compatible for use in all sockets worldwide.
During the voltage test the LEDs will light up blue (weak),orange, or red (strong), depending on the strength of the alternating electric field,two AAA batteries are required to operate the device,the device switches off automatically to save energy if it is not used for four minutes. 90-1,000 V AC
Overall length(mm) 150 mm
Handle diameter 28.5 mm
Battery 2x AAA batteries.