Uniden is creating a World without Wires. This means that Uniden is building products that give its customers more freedom to enjoy life, solve problems and always stay connected with others. From cordless phones to two-way radios to radar detectors, the company makes electronic wonders an everyday occurrence. As one of the world's largest manufacturers of cordless phones and consumer communications devices, chances are there's a Uniden product that's already making things more convenient in and around your home. PRODUCT FEATURES: Caller ID handset with dual keypad base; 2.4GHz digital expandable; Backward/forward compatibility; 4 handset maximum expandability; Caller ID/Call waiting; Base keypad; Base / handset speakerphone; 100 programmable memory locations; Alphabetical search; Intercom or call transfer between handsets; Earpiece and ringer volume control.