Life Safety Consultants distributes system secondary Replacements Simplex Clocks for Hospitals, Schools & Airports, including wired synchronous and 24vdc minute impulse correction. In addition, we provide a cost effective, solid state circuit board movement instead of the traditional mechanical movement that uses up to 80% less energy with a five year warranty. For more information on the replacement clocks for your Simplex system, contact us at (888) 557-0558, or email us at and we will be able to assist you with your replacement clock needs.