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The Alzatex Inc. RLY15BR Flush-Mount 4-Channel Relay Module operates up to 4 devices or controls red-yellow-green and beeper with programmable beep tones, and a connector for external speaker (black metal). It fits into double gang electrical box. The Electronic Digital Timer indicator light unit consists of 3 lights, red, yellow, and green. It is designed to be connected to the TimeKeeper series Electronic Digital Timers using a standard modular phone cord.
City council, courts, and other public meetings
School board or corporate meetings
Speech and debate classes, mock trials
Manufacturing and production timing and/or counting
Hospital ER, ICU, and patient care compliance
RJ11 / 45 connectors are convenient and easy to use and any can be just plugged in any indicator to any TimeKeeper unit
4 relay outputs can drive your devices
Indicators can be permanently mounted on desk for greater visibility