KEYLESS ENTRY. Forget about ever losing your keys again! Tailored to suit your needs, you can gain access to your property via your key tag, key card, phone tag, or your smartphone when using the Yale Home App. SIMPLE TO FIT. Suitable for most PVC and Composite lift-to-lock doors with a door thickness of 44-70mm. ACCESS FROM ANYWHERE, AT ANYTIME. Check-in from anywhere in the world and receive real-time notifications in the event your door is unlocked unexpectedly via the Yale Home App. REMOTE ACCESS MONITORING. Always know who is coming and when. Send secure keys to friends, family or people you trust instantly, all from the Yale Home app. Cancel user access any time. SECURE ENCRYPTION: Uses encrypted Bluetooth technology and features a tamper alarm, so will sound an alarm when someone tries to gain access, offering an additional deterrent., Manufacturer: Yale