TL;DR:  This  Philips Smart Deadbolt  switches your keys for a fingerprint, PIN, and app control — and it's on sale for $110.49 (reg. $179.99). Imagine never fumbling for keys again — just a quick touch or a tap, and you're inside! The  Philips 4000 Series Touchscreen Fingerprint Smart Deadbolt  might be your new way to unlocking a life with fewer lockouts and more peace of mind. This matte black deadbolt stores up to 50 fingerprints, over 100 PIN codes, and unlimited one-time guest codes. Want to let the dog walker in next Tuesday? Easy, give her her very own code. Need to lock up while you're stuck in traffic? No problem, do it remotely. It connects via Wi-Fi and Bluetooth and doesn't require a separate hub, so you have one less device to worry about. Plus it uses  AES128 encryption  to keep your data safe, and the app sends real-time notifications so you always know who comes and goes. This lock is made for people who want control and peace of mind.…