With 6V PSU (type A) the hub can run on an external battery for years — without being connected to the facility’s electric grid — and be ready to protect run-down or empty premises, as well as buildings under construction against burglars, vandals and unauthorized occupants.
12-24V PSU (type A) is used to connect the hub to the low-voltage network of a car, trailer, yacht or to power it from an external battery/power supply.
