The Biometric Wall Safe from Earthtech Products is sure to keep all your valuables safely hidden behind that painting. For some gravitas, keep in mind the U.S. Department of Justice, gives this safe an official seal of approval for securing firearms. Whether its guns, germs or steel you’re keeping safe, only those with the right set of fingers will get in. And, to top it off, no wiring required. For $450, this one might be worth it.