Optional, back-up battery is rechargeable and will power the LoudMouth radio receiver/PA for approximately 10 hours if the 110 VAC power source should fail. (Duty cycle = 10 calls/Hr @ 5 second duration each call).
feature information goes here
Optional, back-up battery is rechargeable and will power the LoudMouth radio receiver/PA for approximately 10 hours if the 110 VAC power source should fail. (Duty cycle = 10 calls/Hr @ 5 second duration each call).
feature information goes here
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