Had one die at around 5 am once. I panicked and called my dad to come before work so he could bring a ladder and battery. He brought three dead batteries. I have no car and no mental health to deal with that sound. After he left I got the kids up and out the door for school. Called apartment manager and they had no batteries after a few months before telling me they have to change them and not us. Then saying I had to. So had to Uber to CVS and buy batteries to change it. I cannot handle that sound and will do about anything to stop it.