Product Features in BOLD are required.
Color of LED light:
Red 
Amber 
Green Add $10.00
Blue Add $10.00
White Add $10.00
Select Voltage Option:
120 Vac 
12 / 24 Vdc 
Optional External Audible Silence Device:
External Audible Silence assembly 120 Vac version--see part# AS-120 for details Add $94.00