TEC48, Philmore RJ11 (6P4C) Telephone Strobe Light Flasher & Bell Ringer

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Philmore TEC48, 4 Conductor RJ11 (6P4C) Telephone Strobe Light Flasher & Bell Ringer. FEATURES: This FCC registered unit will visually alert when phone rings. Works from phone line voltage. No batteries or external power source required. This device is excellent for: The hearing impaired, In Noisy factory or shop environments, When TV, radio or stereo are at high volume. Easily installed on modular phones. Simply plug unit into phone wall jack and plug phone into strobe. Show more