Telephone Ringer for hearing impaired
This ringer is designed to enhance the ring tones of normal land line phones. The unit operates from the telephone line and does not require any external power source for normal working. The ringer uses a 3 watt speaker. Main applications: - Loud ringer for incoming calls - Connect to Front Door Bell Chimes - Building entry alarm (requires sensor) - Push button alert. Can also be mounted on a wall.