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Easy DIY Installation: Install this deadbolt door lock with just a screwdriver in 15 minutes without any drilling. Suitable for most U. S. standard doors, and it is reversible for both left and right-handed doors.
High Security Standard: The MD121 keyless entry door lock complies with the same safety standards as ANSI/BHMA Grade 3 and ensures reliability and lifetime durability through extensive testing.
18-Month Warranty: provides an 18-month warranty and free lifetime technical support, hassle-free to get a replacement or refund. And welcome to contact us if you have any queries.
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6 Advantages
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2K Camera
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Instant Video
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Stay Detection
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10000mAh Recharge Battery
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Built-in WiFi
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Built-in Doorbell
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Auto Lock
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Passage Mode
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App Control
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Real-time Notifications
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Log Records
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No Monthly Fee
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High Security Standard
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Local Security
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IP53 Rating
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Easy Installation
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Check Before Purchase
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What's in the Box
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18-month Support
Where are the recorded videos stored? Cloud storage on the App for the past 3 days, up to 30 video events, automatic overwrite. No monthly fees or hidden costs.
How to unlock the Video Smart Lock MD121 when the battery dies? You'll get a low-battery notification when the battery is under 10%. If the battery dies, you can power it up via the port on the exterior lock. You can also unlock the lock with the physical key if it is out of power.
What kind of door is Video Smart Lock MD121 compatible with? Any single-cylinder door with a wood or metal construction should be suitable.
Dimensions Required: Hole
Diameter: 2-1/8" (54mm) or 1-1/2" (38mm).
Door Thickness: 1-3/8" to 2-1/8" (35mm to 55mm).
Backset: 2-3/8" or 2-3/4" (60mm or 70mm).