Secure Keyless Entry, Wired Touchscreen Keypad, Entry via Keypad, App, Voice Assistant, Entry via Apple Watch, Physical Key, Lasts for 100,000 Unlocks, Compatible with eufy Security Doorbells, Rechargeable Battery, eufy Security App for iOS & Android, Use with Amazon Alexa & Google Assistant, IPX3 Rated for Outdoor Use. Implement keyless entry for your home rental property or business with the black C210 Smart Lock from eufy Security. Featuring multiple ways of unlocking this lock grants access via the eufy Security app wired touchscreen keypad Apple watch voice assistant or a physical key. Tested to last for over 100 000 unlocks this lock will be functional for over 30 years. Remote unlocking and management from anywhere is possible via the eufy Security app for iOS and Android. Compatibility with Amazon Alexa and Google Assistant enables seamless voice commands. This lock is housed in an IPX3-rated enclosure for safe outdoor use.