Spec Sheet Preview: U.L. Listed 1069 - to the latest standards Yellow LED for primary power in; Green LED for secondary power out indication Easily Installs Right on Finished Wall Surface or in Optional Junction Box (model# CEC152) Provides steady light and slow tone for routine call; flashing light and rapid tone for emergency call Positive Screw Terminal Connectors Built-in Battery Charging circuit Built-in Form 'C' Dry Contact Relay to activate external devices Routine and emergency commons in …