Uniden TRU9585-4WX 5.8GHz Expandable Digital Cordless 4 Handset Telephone Set w/Answering System & Waterproof Handset Uniden TRU9585-4WX 5.8 GHz Expandable Digital Waterproof Cordless Telephone Set General Features: Includes one (1) Waterproof Handset (meets JIS7 waterproof specifications) and three (3) Handsets 5.8 GHz Cordless Phone Digital Spread Spectrum Technology Single Line Operation Caller ID/Call Waiting Expandable up to 10 handsets Digital Answering System with Remote Access Wall Mountable