Hands-free access & intelligent control - Maximum convenience: The door automatically unlocks as soon as you approach you, without any keys or app. With Bold Connect, you can control everything from a distance via your smartphone. Real-time security alerts - Stay informed. Receive instant notifications for tampering attempts, unlocked doors, or nightly security checks Smart Home Compatible - Seamless integration into your smart home. Compatible with Google Home, Homey and ready for Matter future-proof for a connected life. Up to 8 years of battery life - Reliable performance with minimal maintenance: Up to 3 years in standard mode or up to 8 years in sleep mode. Easy installation & Dutch design - Installed in just 3 minutes, suitable for almost any Euro profile cylinder lock. Made of high quality stainless steel and brass for maximum strength and stylish look., Weight: 1.763698096 pounds, Manufacturer: Bold Smart Lock