Panasonic KX-TGA550M Accessory Handset for KX-TG5500 Series Cordless Phones<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Requires Panasonic KX-TG5500-series expandable cordless base system for operation</li><li>5.8 GHz frequency-hopping digital spread spectrum signal</li><li>Supports call waiting/caller ID; 50-station phone book</li><li>Headset jack and belt clip; long lasting NiMH battery</li><li>Speakerphone; lighted keypad; adjustable volume controls</li></ul></div><img src="http://ecx.images-amazon.com/images/I/410HTF3VG9L.jpg" noproxy>