Anyone tried a good wireless home secutity system (DIY) for your garage. Looking into a monitor and a couple of motion detectors. I know, I know...get a dog or guns. I have a French Bulldog who pees when strangers come in, so I would know if someone had been in, once I got around to stepping in the puddle. I have lots of guns, but want a "heads up" when a "target of opportunity" is in the garage.