# Clarity Plantronics 2.4GHz amplified cordless telephone # Amplifies incoming sounds up to 30dB # Back up power in base for emergency calls (requires 4 AA batteries, not included) # Hearing aid compatible # Caller ID # Large, lighted keypad for easy dialing # Keypad in handset only # Extra loud ringer # Bright, visual ring indicator # 1# One touch emergency dial button # Wall mountable # Ringer on/off switch # Pulse/tone switch # Requires 1 3.6 Volt 600 mAh NiMH rechargeable AAA type battery, included # 2.5mm Headset jack # Belt clip included # Flash/mute/redial/pause # AC adapter included # 6 Ringer styles # Page/handset locator # 1 Year manufacturer's warranty