DIG-4B Independent LED Digital Clock, 4 numerals, 4-digit, 110V AC, 6' Cord

For hallways, open spaces and dimly lit areas., Extra large 4 high 7-segment numerals, Ultra bright red LED digits (up to 250' viewing

FreAire Electronic Led Digital Desk Clocks Wall Decorative Extra Large 4 LED Numbers Display,Only time Function,Military Time : Home & Kitchen

Pyramid 5000 Time Clock

Pyramid 4-Digit LRG Red LED Digital Wall Clock

AD9144 Datasheet by Analog Devices Inc.

Pyramid 4-Digit LRG Red LED Digital Wall Clock

SCOUT-P(X) Datasheet by Infineon Technologies

Digital - Pyramid Time Systems

Pyramid 4000 Auto Totaling Time Clock

Pyramid 4000 Auto Totaling Time Clock

Office Wall Clocks - MSC Industrial Supply