What kind of life span on model 4120B? This unit was beeping with new battery & even after removed from wall without battery. Then sounded as if it died?

Asked by Gene on 03/26/2013 1  Answer

ManualsOnline posted an answer 11 years, 8 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.