Bestbuy offers Lockly - Flex Touch Smart Lock Replacement Deadbolt with 3D Biometric Fingerprint/App/Physical Key - Satin Nickel for $90 (orig. $189.99) with free shipping.

Product Description:
Lockly’s Flex Touch smart lock is an award-winning designed with sleek design packed with all the convenience of a smart lock. Entry keyless entry with 3D biometric fingerprint access that unlocks in <0.3 seconds. Connect with free Lockly app to lock/unlock, scan-to-open, eBadges & eKeys. Perfect for any door that matters in homes, AirBnb and offices. Universal fit for easy DIY installation. 

• Your finger is your key
  3D fingerprint sensor provides quick < 0.3 second biometric access, storing up to 99 unique fingerprints.
• Mobile app integration
  Experience advanced control - lock, unlock, monitor door status, or view access history via the free Lockly app.
• Voice control
  Unlock, lock, or check door status using your voice with Alexa or Google Assistant. (optional Wi-Fi hub required)
• eBadges and eKeys
  Grant revokable access to family, friends or guests via Lockly app.
• Sleek, minimalistic design
  Goes well with any door design. Perfect for your home, Airbnb rental property management.
• Battery operated
  Easily replace to eliminate wires with emergency 9V backup battery slot.
• Auto locking
  Set and forget with the customizable auto-lock feature.
• Easy DIY installation
  Designed for quick and no-fuss installation with common tools.
• Rekeying capability
  Easily replace key cylinder without changing the lock (with standard rekey kit).
• Option to add Wi-Fi capability
  Augment the capability by adding a Secure Link Wi-Fi Hub. Through the use of Lockly’s Secure Link Wi-Fi Hub, Lockly Secure Plus can be remotely controlled anytime, anywhere via the Lockly App, which also enables features such as voice control with Hey Google or Alexa and real-time alerts. Model PGH200; also sold on BestBuy.com.