*Simplifies installation of any CCTV, Access control, or security application

*Eases troubleshooting, check at a glance if there is power.

*Check for low voltage AC/DC before connecting your device:

Correct DC Polarity - Blue

Incorrect DC Polarity - Red

AC Voltage - Purple

*Safety: Illumination glows from all directions to indicate voltage.

*Saves Money and Time: Test power before connecting equipment

*5~30 VAC/VDC range

*LED shines brighter as voltage increases.