Introducing the Philips Smart Door Lock DDL-603E-5HWS, a handle lock that combines innovation and convenience. Installation Made Easy: This lock fits effortlessly on doors 3.8–6.0 cm thick. Child Safety Feature: Ensure home security and child safety with the SafeHandle feature before leaving home. After the door is locked, the indoor handle will be frozen so that nobody can open the door by pressing down on the inside handle. Mute Button: Leave a quiet place for the family. The "0" button serves as both a digit button and a mute button. Real-time Wi-Fi Connection: View the lock access history, remotely send temporary PIN codes, and view the real-time notification of door lock status on your Easy Key app. Keyless Entry: No more hiding or copying keys. You can grant access to up to 100 users by fingerprint, 20 users with their unique code, and the Philips Key Tag. Complete Package: Includes 4 AA batteries and 2 mechanical backup keys. Four authentication methods: Fingerprint, PIN code, key tag, and mechanical key. Send one-time PIN codes via the smartphone app, which are automatically deleted after use. Receive arrival notifications and monitor who enters and exits your home with the activity log. Philips Smart Door Lock DDL-603E-5HWS, where innovation meets home security and convenience.