EWP products feature foam rubber gaskets and boots, sealed connections, gel-filled butt connectors, as well as urethane or thermal plastic potted circuit boards with internally sealed, field-adjustable trim pots and DIP switches for easy on-site programming New Automatic Noise Canceling (ANC) feature for proper operation in noisy environments Enhanced Weather Protection (EWP), EWP products are designed to meet IP66 Ingress Protection Rating (DOD# 859) Meets ADA requirements for Emergency Phones: - Automatically lights the "Call Connected" LED - Transmits a unique location I.D. code or voice announcement - Grade 2 Braille label for the visually impaired o 16 second non-volatile digital voice announcer o High power LED strobe and beacon visual indicator: - High output / long life LED technology - 4 programmable flash patterns: single, double, quad and flicker - 6 programmable beacon and strobe brightness settings Advanced call progress detection Handsfree operation Phone line powered emergency phone (strobe requires power) Non-volatile memory (no batteries required) Marine grade 316 stainless steel and powder coated aluminum to prevent corrosion Dials up to 5 emergency numbers Cycles through backup phone numbers on busy or no-answer E-1600A-AST2EWP and E-1600A-BLT2EWP can also dial up to 3 "Info" numbers Hangs up on CPC, silence, busy, dial tone, time-out or touch tone Programmable to auto-answer on incoming calls Remotely programmable Central Station Monitoring capability (dials 2 numbers) Separate central station voice speed dial number