MIGHTY MAX BATTERY Exit Sign Battery 6V 4.5Ah backup ML4-6929 - The Home Depot
Exit Sign Hidden Video Camera
eTopLighting LED Exit Sign Emergency Light, Wall or Ceiling Mount LED Exit Lighting, Battery Backup, Red Lettering, AGG745 - Commercial Lighted Exit Signs - Amazon.com
Acrylic Rectangle LED Exit Sign Board, 12V, Power Consumption: 100 W