Item #AT/MC4181LV, Synchronized Clock Systems - ATS
Four inch bright red LED digits visible up to 100 feet away. Single sided or double sided display. Wall, ceiling or panel mount. Easily connects to computers, master clocks, or other system controllers via RS-232.
Simple two-wire input receives standard ATS 10-Byte control messages from a computer or other host device via RS-232 up to 2000 feet away.
24 VAC, 60 Hz Operation (6 VA Max). Black anodized aluminum enclosure (mounting bracket included).