DECT 6.0 Technology</br>Accessory Handset Only requires the TL88102 to Operate</br>2-Line Operation</br>Caller ID/Call Waiting - stores 50 calls</br>Handset Speakerphone</br>DSL Subscribers may need to us a DSL Filter</br>For optimal performance batteries should be charged for 16 hours prior to use</br></br>Product Description</br></br>High Quality DECT 6.0??2-LINE??1 HANDSET</br><br/>http://www.amazon.com/gp/product/B007P8DLPQ