VTech CS6609 Accessory Handset for VTech CS6619， CS6629， CS6648 or CS6649， Silver/Black<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>DECT 6.0 Digital technology</li><li>Accessory handset only—requires a CS6619， CS6629， CS6648 or CS6649 series phone to operate</li><li>Caller ID/Call Waiting*—stores 50 calls</li><li>Handset speakerphone</li><li>Quiet Mode</li><li>DSL Subscribers may need to us a DSL Filter</li><li>For optimal performance batteries should be charged for 16 hours prior to use</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TU1RUBCZL.jpg" noproxy>