The E-1600-03B can be programmed to automatically deliver a digital announcement to identify the location of the emergency call. Additionally, a DTMF touch tone code may also be delivered. A “Call Connected” LED can be initiated manually or automatically. All programming parameters, including phone numbers and location numbers, are stored in non-volatile memory. The E-1600-03B is phone line powered, requiring no batteries or external power and is compatible with common Central Station Monitoring equipment.For outdoor installations where the unit is exposed to precipitation or condensation, use model E1600-03B-EWP.