Pyramid 5300 Power Booster
It works as an add-on to various Pyramid clocks, sending out a 24VDC pulse.
It normally connects via twin stranded cable to the Pyramid
6 or 8" low voltage bells.
The 24VDC output can be used to trip a 24VDC relay and
then run any existing sounding devices you already have in place.
In the box:
Pyramid 5300 with "Y" connector, power supply, and instructions
Toll-free support and one year guarantee is included
Part number: ptr 5300