I have memory issues and this cat feeder is exactly what needed. My cat, Clawmydia would constantly remind me to give her treats... she still does even after I've given some test me. Now have. the perfect device dispence crunchies so don't worry about it! Easy program works like a charm!!! The bad.... She it. can no longer fool into giving more treats. will try dismantle or break it I'm pretty sure. creators of fine product anticipated also!!!... It comes with safety lock keeping lid firmly attached!!! They knew cats not be too thrilled. only thing missing chain industrial glue keep bolted in place. Thank you for excellent easy use feede..