This wireless ringer box can be used as a telephone alert, doorbell alert (with optional door button) or as a paging device (with optional SOS pendant).
The wireless transmission distance is more than 200 ft. in clear distance
Very Loud Ringer - 110 dB
3 ring tones
Ringer volume control switch (High/Medium/Low)
Ringer Lights 3 bright LEDs
Select between ringer only, light only or both ringer and light together
Power on/off switch
Wall mountable both receiver and transmitter
Receiver powered by (3) C cells alkaline batteries - not included
