Power your devices that use LP-E6 batterieswith this Indipro D-Tap Cable Using a revolutionary SafeTap Connector, protect's your equiptment with Patented technology. Built-in intelligence monitors for reverse polarity, over/under voltage, short circuits and prevents battery deep discharge. Accepting 11-28 VDC input from a D-tap source, the built-in regulator ensures that a steady 7.9 VDC output is sent through the dummy battery to power your device with the correct voltage.This Cable is 28" in length and is assembled in the USA.