MainMan insisted on getting this per a friend’s recommendation. If you’re at all nervous about SIDS or keeping track of your baby breathing at night, this will be a good investment for you. You attach it to baby’s diaper, turn it on and if movement stops it’ll beep on you. There are other kinds of gadgets that do this type of thing. I’ve seen one where you attach it to the baby’s foot or toe, but this one worked well for us.