Gain added peace of mind and enhanced awareness of who is coming through your door with eufy Smart Lock C210. Featuring built-in Wi-Fi eliminates the need for an additional bridge to connect to the internet for remote management. Instead, you’ll enjoy easy setup, grant guests access, and track door lock activities through the intuitive eufy Security App from anywhere, at anytime using your smartphone. Five unique unlocking methods provide flexible entry for you and houseguests: eufy Security app, integrated keypad, Apple Watch, Alexa/Google Voice Assistant, or using the included keys. Its sleek design matches a variety of door styles and is resistant to smudges and dirt. If the Smart Lock is low on power you can easily unlock it using a portable charger.