16. Sleek Fingerprint-Scanning Door Handle Lock
Most fingerprint-reading door locks require that you depress an area, listen for a click or maybe look for a light, then grab the handle and go – not a big deal, but definitely one more step than necessary. Here’s a simpler model that works with a single motion – just grab, press and push or pull all in the same simple motion, while an LED on the end lets you know if there is any issue with your first try.