A:Answer Mine is battery powered. I have it located behind my steel security screen door because I was having problems with a teenager banging my door.. once I put it up, problem solved.. he saw the camera and stopped bothering me.
I do not have it wired to my doorbell wires, just battery powered. Battery lasts for quite awhile. Even with watching it live view literally for days on end, the battery lasted over a week. I bought an extra and have it on the charger so when it gets low, I switch it out so I always have it active.
LOVE IT!