Pyramid 4in Digital Slave Clock For Systems With Molex/RFJ45 Connector, Black

Interfaces with most master clock controls Must be used with a clock system with molex or RJ45 connector. Can be set to a 12-hour or 24-hour format. 2 time setting modes for fast and slow setting of display times. Clock face is shrouded to reduce glare and increase visibility. Large 4in digital display uses bright LED technology for high visibility, over 150ft. 9-volt battery backup maintains time internally should power fail (9V battery sold separately). For use with the TimeTrax Pro or PTI4000 Time Clock System or other master clock controllers. Made in the USA.