5.8GHz Waterproof Accessory Handset - Uniden 5.8GHz accessory waterproof handset- Compatible with the Uniden 5.8Ghz family (TRU, ELT, and CLX series)- Will not work independently, must have a Uniden base unit (purchased separately)- 1 and 2 line support- Durable rugged design- Waterproof casing (submersible)- Rubber grip sides- Digital spread spectrum technology- Caller ID, call waiting caller ID- 3-Line backlit LCD- Handset floats- Dust and impact resistant- Conferencing (base unit dependent)- 100# Dual phonebook- 10# Speed dial- Personalized ringers- Hold/redial/pause- Voicemail message waiting indication- DirectLink 2-way radio feature- Room/baby monitoring- Earpiece and ringer volume control- Find lost handset/paging key- Belt clip included- Box dimensions: 8"L x 7.5"W x 4.5"H- Yellow with black trimREPLACEMENT BATTERY: BT-446 (screwdriver needed to open battery compartment)