Guardian Telecom HDE1200/1200A Wall Mount Single Call Button and 12 Digit Keypad Speakerphone Features: Teleseal papan ketik allows the user to personally switch numbers Wall Install Set up - Single Urgent situation Plus Call Option and 12 Number Keypad ADA (American Incapacity Act) certified brand (HELP) Control Relays primary communicate standard on all models Resilient box with dust protected complete is corrosion resistant Distant selection allows you to deal with your emergency system from a main location LED provides visible verification relationship has been made Presenter automatically operation Highest possible Presenter Amount at 0.5 m when Line Powered: 82 dB Requirements Compliance: Industry North america 1012-6721A Available Sound Energy Firm Options: HDE-1200 (P6987): 0.25 W (provides 85 dB Highest possible Presenter Amount at 0.5 m with Exterior Power) HDE-1200A (P6988): 5.0 W (provides 92 dB Highest possible Presenter Amount at 0.5 m with Exterior Energy and Two Additional Relays) Recommended Applications: Universities Elevators Car auto parking Facilities ATMs Transportation Authorities Medical Centers Professional Parks Public Access Areas Building Entrances Flower Admittance Gates Wearing Facilities Entertainment Parks Mature Person Housing