Previous page For People You Trust Too busy to watch the kids? Set recurring codes for trusted neighbors—simplify life, no key passing. For People You Love Grant loved ones access with a permanent code, so they can drop by and relax—care without delay. Easier Access Management Simplify your rental handoffs. Easily revoke old codes for peace of mind with a clear access list. Stay in the Know Unsure about your street? Get instant alerts when kids are home safe. Next page 1 Scheduled Code 2 Permanent Access 3 Manage Users 4 Real-time Notifications Previous page Easy Setup Without Bridge No separate bridges or complex installation. With Wi-Fi built-in, you can control the lock remotely. Tested by BHMA You can use Smart Lock C210 up to 10 times a day for over 30 years. Keep it to Yourself Add random digits to your pincode to hide it from prying eyes. Next page 1 Built-in Wi-Fi 2 Lasts Decades 3 Anti-Peep Passwords 4 Check Compatibility Previous page Take Full Control App Remote Control With its all-new built-in Wi-Fi connectivity, you can control your lock from anywhere via the app. Take Full Control Passcode Set passcodes for family, guests, or service people. Disable individual codes as needed. Take Full Control Voice Control Hands full when the doorbell rings? Use your voice to unlock your front door completely hands-free. Take Full Control Apple Watch Open your door conveniently, letting your watch do all the work. Take Full Control Backup Power If it runs out of power, simply use a portable charger for emergency access. Next page 1 App Control 2 Passcode 3 Voice Control 4 Apple Watch 5 Backup Power Find the one you need Smart Lock C210 Add to Cart Smart Lock Buying Options Smart Lock C33 Buying Options Smart Lock C220 Buying Options eufy Smart Lock E31 Buying Options Video Smart Lock E330 Add to Cart Customer Reviews 4.3 out of 5 stars 3,218 4.3 out of 5 stars 775 4.5 out of 5 stars 84 4.3 out of 5 stars 2,296 4.3 out of 5 stars 252 4.2 out of 5 stars 2,605 Price $79.99$79.99 $66.49$66.49 $129.99$129.99 $129.99$129.99 $149.99$149.99 $272.99$272.99 Built-in WiFi Yes, No Bridge Required Yes, No Bridge Required Yes, No Bridge Required Yes, No Bridge Required Yes, No Bridge Required Yes, No Bridge Required Fast Unlocking APP APP Fingerprint, APP Fingerprint, APP Fingerprint, APP Fingerprint, APP Reliable Unlocking Code, Physical Key Code, Physical Key Code, Physical Key Code, Physical Key Code, Physical Key Code, Physical Key Battery 4*AA (included) 4*AA (not included) 8*AA (included) 8*AA (included) 10,000 mAh Rechargeable 10000mAh Rechageable Auto-Lock Count-down Count-down Count-down Count-down Count-down Count-down Waterproof (exterior assembly） IP53 IPX3 IP53 IP53 IP53 IP65 (Camera Part) Compatibility eufy doorbell, Alexa, GVA eufy doorbell, Alexa, GVA eufy doorbell, Alexa, GVA eufy doorbell, Alexa, GVA eufy doorbell, Alexa, GVA Built-in doorbell, Alexa, GVA Supports Matter ✘ ✘ ✘ ✘ ✔ ✘ Built-In Video Doorbell — — — — — 2K Camera; Dual motion sensor BHMA Certification ✔ ✔ ✔ ✔ ✔ ✔ How many passcodes can the eufy Security Smart Lock C210 store? Up to 100 different passcodes. How long does the battery last from one charge? How to unlock Smart Lock C210 when the battery dies? Roughly 4 months depending on usage(10 times unlock through keypad or app). You'll get a notification when the battery is low. If the battery dies, you can power it up via the port on the bottom of the exterior lock. (Includes 2 physical keys.) What temperatures can the Smart Lock C210 handle? The C210 Smart Lock(exterior part) can handle temperatures within the range of -22℉ to 158℉ (-30℃ to 70℃). We do not recommend using the Wi-Fi Smart Lock outside of these conditions. Is Smart Lock C210 compatible with eufy ecosystem, Apple HomeKit, IFTTT, or Matter? It works with eufy doorbell. However, It's not compatible with these services yet.Neither does it work with eufy HomeBase or any wifi bridge. Whats the requirement for installation? Please check the Compatibility infographic above for specific requirement. The Smart Lock C210 does not fit rounded latch hole. Please use provided eufy screws and deadbolt to install for your optimal experience.