This auxiliary electronic ringer operates on any analog line that provides a minimum of 40 Volts 20-30 Hz AC ring Voltage. Nominal 3 KHz warble provides up to 92 dB SPL at 1 meter. The LPR-1 can be connected via screw terminals or modular RJ-11 jack.
- 7 ft. line cord provided
- Minimum ring voltage: 40 Volt AC RMS at 20-30 Hz
- Adjustable volume control
- 1 year warranty
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