Smart Lock S230

The fingerprint reader is scary fast — 0.3 seconds and the door's open before I've even shifted my grocery bags. I also love checking the app from work to confirm it locked itself.

I used to dig through my bag every time I came home, but now I just touch the reader and I'm inside before I even think about keys. The 0.3 second recognition makes it genuinely faster than my old lock, and the Wi-Fi app lets me let in the dog walker from work. Set-up took a few minutes and now I'm

The fingerprint reader actually works with wet hands, which was my biggest worry. It unlocks in about a second, so I'm inside before I'd even have my keys out of my pocket. Battery still shows full after three weeks.