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This telephone ring signaler has a loud, 120dB audible ringer and a bright strobe light that flashes when there is an incoming phone call. It connects between the telephone and wall phone line.
Features include:
Extended loud ringer up to 120dB
Audible ringer operated by telephone line (included)
Strobe light operated by AC adapter (included) with battery backup (three AA batteries not included)
One year manufacturer's warranty
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