From $338 (about £220) westinghousesecurity.com
What is it? Where to start with Nucli? It’s a smart lock that does away with keys by letting you unlock a door with your fingerprint. No need to worry about forgetting to lock the door, as Nucli does that for you, and it can show you who is at the door and even lets visitors leave a voice message – sent to your iPhone – if you’re out. When’s it due? Winter 2015. Why are we excited? No more panicking when you lose your house keys – you don’t even need them with Nucli. Its security features and useful iPhone app should ensure greater peace of mind and control over your home – whether you’re there or not. We can’t wait to try it.