by Clarity

Please Note: Phone Signalers are designed for use on ANALOG phone lines only. Do not connect a Phone Signaler to a DIGITAL phone line. Digital phone technology can damage the Phone Signaler and void both the manufacturer's warranty and HSDC's 30-day return policy. For more information, click here.
• Powered by telephone line (no batteries required)
• Ringer tone and volume adjustable up to 95 dB
• Built-in duplex phone adapter
• Not for use with digital, office, phone systems
• 5.2" x 3.5" x 1.8"
• One year warranty
• For more information, click here to read the User Manual (PDF format)