  75180 Super Ringer w/ AC Adapter - Super phone ringer - Adjustable super loud ringer (95+dB) lets you know when your phone is ringing - Never miss another call - Bright red visual ring flasher (visually alerts you to an incoming phone call) - Adjustable ring volume control - Adjustable ring tone control (250 to1200 Hz) lets you set the tone level to best suit your hearing - Choice of four distinct ring patterns to suit your preference - Dual modular phone jacks for easy connection to a standard analog telephone - AC powered with rechargeable battery backup (4 AA nickel cadmium rechargeable batteries not included) |
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