Product: Imperial 520

Full Range Volume Control (maximum amplification as allowed by law)

Dual Tone Deep Pitch IC Ringer with 3 levels of control

Extra Heavy, Non-Slip Base provides a solid look and feel

Desk/Wall Mountable (mount sold separately)

Lighted Keypad with

Oversized Keys

Outstanding audio amplification quality

"Super Bright" Ringer/Message Indicator Light

Wall Mountable

Patented Volume Plus Button designed with features for the hearing impaired aiding 70% of elderly users with high-frequency hearing loss (the Boost Button increases volume range to 27.5db)

Oversized "Super Bright" Ring Indicator Light

Hearing Aid Compatible

Extra Large Lighted Ring Indicator

Flash Button

Built in CLEARING AID^® circuitry automatically adjusts frequency response for improved clarity. This is an aid to 70% of users with high-frequency hearing loss.

Clearing Aid Voice Intensifier with Full-Range Thumbwheel Volume Control

Extra Long Fully Modular Cords

Clear Ear Sound

POE Compliant

Braille Locator On #5 Key

Compatible With AC And DC Neon And Some LED Systems

Extra Large Customizable Faceplate

Ring “Norm-Hi” Switch

Constructed of High Impact ABS Plastic

FCC / ETL / UL / CE approved

Easy Access Dataport

Also Available in Black and Red