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What it is: No-monthly-fee smart keypad lock for apartments, homes, Airbnb rentals, small offices, and rental properties with fingerprint, passcode, card, app-based access, temporary codes, and backup key entry.
Primary use case: A Cryptronics smart security product for Airbnb host security.
Key specs: Product Type: Smart keypad door lock; Material: Aluminum alloy; Power Supply: 4 AA batteries; Relative Humidity: 20%-90%
Subscription: No required monthly fee.
Compatibility: Tuya-compatible smart home ecosystem where supported by the product.
The Cryptronics Smart Keypad Lock is a practical no-monthly-fee smart lock for renters, homeowners, Airbnb hosts, small offices, and rental property owners who want easier access control without handing out spare keys. It supports fingerprint entry, passcodes, swipe cards, temporary guest passwords, app-based options where supported, and mechanical backup key entry. Its aluminum alloy body, Type-C emergency power input, low-voltage alert, and 35-55 mm door compatibility make it useful for apartments, entry doors, office doors, interior wooden doors, hosted stays, and DIY smart security setups.
Fingerprint, password, card, mechanical key, optional remote unlock, and temporary password access
Stores up to 100 fingerprints, 100 passwords, and 100 swipe cards
Supports up to 9 administrator profiles for household, office, or hosting control
Semiconductor fingerprint reader for fast biometric unlocking
Low-voltage alert at 4.7V +/- 0.2V, plus Type-C emergency power input
Follow the included product instructions. Wi-Fi strength, placement, and app setup affect performance.
Check Door Fit
Confirm a standard 35-55 mm door and check alignment before installation.
Install the Lock
Mount the interior and exterior lock pieces with the included hardware, following the door alignment in the quick start guide.
Power the Lock
Install 4 AA batteries. If the battery is too low, the lock supports Type-C emergency power input.
Add Access Methods
Set up administrators, fingerprints, passwords, cards, and temporary passwords through the supported lock app.
Quick answers to common questions before adding this product to your Cryptronics setup.
Cryptronics Smart Keypad Lock is designed for subscription-free smart security. You can use the product for everyday alerts, access, or awareness without signing up for a required monthly plan.
Yes. Cryptronics Smart Keypad Lock is a practical fit for renters who want a simple security upgrade without making big permanent changes. Always check your lease rules before installing anything on doors, walls, or shared spaces.
This smart locks is best for Airbnb host security. It helps you add a focused layer of awareness or convenience instead of trying to replace a complete security plan.
Cryptronics Smart Keypad Lock is built around Tuya-compatible smart-home use where supported by the product. Before buying, confirm that your phone, Wi-Fi network, and app setup match the product details.
Check your Wi-Fi coverage, door or wall material, power or battery needs, app compatibility, and where the product will be placed. A quick measurement and signal check can save you a lot of setup trouble later.
No product can guarantee prevention. Cryptronics Smart Keypad Lock is meant to support alerts, access control, property awareness, or convenience, but results depend on installation, placement, Wi-Fi strength, battery life, and how the product is used.
See how this product stacks up against similar products from Ring, AOSU, Reolink, Eufy, August, and more.
Learn how this product fits into a simple Cryptronics security setup for apartments, homes, rentals, and Airbnb spaces.
Cryptronics products support property awareness, alerts, access control, and convenience. They do not guarantee prevention of theft, damage, leaks, unauthorized entry, or emergencies. Performance depends on installation, Wi-Fi strength, app compatibility, device placement, battery life, and customer usage.