Hqtelecom&reg; SOS Phone / Medical Alert System - Supports up to 5 Wireless Pedants & 10 Emergency Numbers, Hearing-aid Friendly Ringer/handset SOS phone can be programmed to automatically call up to 10 emergency phone numbers Supports up to 5 Wireless Pedants (2 included)  Trigger emergency calls up to 100 feet away from the base! Includes two (2) waterproof bags  Ideal to use when taking showers or outside! Hearing Aid Friendly - Handset volume can be amplified by +40 dB (switch: HI), extra loud rings rated 90+ dB Visual incoming call flashing light alert on handset; ON/OFF Talking Caller ID  Voice announces incoming calls (phone numbers) and menu options; Supports 6 languages on display and voice prompts (English, Spanish, French, Italian, Netherlands & German); Large, easy to read LCD display with 5 levels of brightness and blue backlighting (requires batteries  not included); Large dialpad buttons/keys for easy dialing; Compatible with FSK/DTMF Dual Caller ID Systems