Smart Lock LT70 EZVIZ door lock with advanced technology, sophisticated style and EZVIZ aesthetic can transform your old front door lock to allow you keyless entry with your smartphone. Don't just replace your locks; upgrade with today's smart technology. Enhance your home security with smart connectivity with EZVIZ WiFi cameras The LT70 EZVIZ Smart Lock simply mounts and replaces your existing deadbolt, then greatly simplifies your daily routine with additional smart features. It couldn't be easier!