And that’s the ideal placement for it, because its facial recognition technology can tell you when the kids are home from school or when a stranger has entered your home. But the $199 device is more than just a camera. It also works as a hub for the optional $99 Netatmo Tags, sensors that send your smartphone alerts when windows, doors, or gates yes, they work outside open and close. Watch those blind spots Arlo Arlo Outdoor cameras can be great for seeing who’s coming into your home, but burglars don’t typically walk through the front door. Instead they inspect your place for blind spots where they can slip in undetected. Netgear’s Arlo Wire Free Security System is a good solution for making sure all your hard to see nooks are being monitored. A battery powered, wireless camera that can last from four to six months before having to replace its power cells, the Arlo cameras are magnetically mounted, have adjustable motion detection, shoot high definition video, and even sport infrared night vision — exactly what you need to keep an eye out for bad guys. Starting at $179 for a kit that includes a base station and one camera, the system can support to up to 15 cameras, which can be bought for $159 apiece. Shine a light on bell ringers BeON Led Bulbs BeON Before breaking into a home, burglars will often knock or ring the bell to see if somebody’s home. But you don’t have to answer the door to scare them off — just turning on a light is often enough to make them move on. And with BeON LED Bulbs, you don’t even need to be home to flick a switch.