Power Failure Alarm [PFA-1]

hello everyone I'm Peter and I'm going to explain our power fail alarm what we get and when you purchase a power failure on PFA one or for the powerful alarm and a battery and this by the waves average hardware store battery this is a lithium battery capable of lasting ten years in a storage state or while it's inside the power fail alarm and it can be depleted if you have an excessive number of power fail alarms but otherwise you shouldn't have to worry about it for a long time so I'm going to take the cover off and get this thing running four screws inside there's it looks kind of complicated maybe if you're not used to electrical devices but there's nothing that can hurt you in here just plug in the battery and the it's gonna make it a lot actually first cover this jolting ly loud and all right so it's gonna reduce the volume so I'm gonna plug in the battery it's going to alarm and I