Master clock work shift timer with 110v-10Amp power output
If you one of these, know that they have been out of production since 2018

The Sonachron replacement master schedule timer can control:
2) Up to 8 110VAC bells or 6 buzzers. Power boosters may be needed over long distances and multi-bell installations.
Includes:
- Master Clock terminal and easy-to-understand owners manual
- Power supply
- Internal 110V - 10Amp mechanical relay. Pre-wired and tested
- 10 Amp rated 110V grounded power cord
- 10' bell wire cable - add more as needed!
- Loud RED fire bell, add more as needed
Upgrades:
Strobe light that flashes when the bell rings
Specifications:
- 9" high, 7" long, 5" wide