The DESLOC B200 is a fingerprint smart lock available as a deadbolt or in handle and lever configurations. It offers several ways to enter, but its โAI learningโ description and sub-0.3-second fingerprint claim come from DESLOC, not independent testing. Before buying, check your door dimensions and decide whether Bluetooth-only control is enough or you need the optional G2 Gateway for remote access.
What the DESLOC B200 offers
Depending on configuration, the B200 supports fingerprint recognition, PIN codes, physical keys, eKeys or fobs, app control and voice control through Alexa or Google Assistant. DESLOC says Bluetooth control works within 2 meters. The optional G2 Gateway adds remote control and scheduled temporary codes. That makes the gateway relevant if you want to manage the lock when you are away from home; Bluetooth by itself is limited to nearby control.
Official product listings show a deadbolt-only model, handle-set and lever-handle variants, and bundles that include the G2 Gateway. Best Buy also lists a handle/lever configuration. Check the exact package contents and configuration before ordering, since features and prices may vary by version and promotion.
What DESLOCโs AI and speed claims establish
DESLOC describes its fingerprint system as โNext-generation fingerprint unlocking technology, upgraded through AI learning and validated by millions of users.โ The manufacturer also claims that the deadbolt B200 recognizes a fingerprint in less than 0.3 seconds. These are vendor statements; independent testing verifying the speed, the โvalidated by millionsโ wording, biometric accuracy or long-term reliability was not located.
#1 Best Overall
- ๐๐ฉ๐ฉ & ๐๐๐ฆ๐จ๐ญ๐ ๐๐จ๐ง๐ญ๐ซ๐จ๐ฅ: Pair with Bluetooth for TTLock App control within the distance of 2 meters. Upgrade with G2 Gateway (sold separately) for remote control. Smart Lock B200 allows generate temporary access codes in scheduled time for friends or guests.
- ๐๐ ๐๐จ๐ง๐ญ๐ก๐ฌ ๐๐๐ญ๐ญ๐๐ซ๐ฒ ๐๐ข๐๐:With 4 AA batteries(Not Included), DESLOC smart door lock runs around 12 months, with a built-in low-battery indicator and USB Type-C emergency power port. *Battery life may vary based on usage frequency.
- ๐๐ง๐ฅ๐จ๐๐ค ๐ฐ๐ข๐ญ๐ก ๐๐๐ฌ๐ & ๐๐๐ฅ๐-๐ฅ๐๐๐ซ๐ง๐ข๐ง๐ ๐๐: Unlock with fingerprint recognition, PIN codes, 2 physical keys, app control, eKey, fobs, or use your voice with Alexa/Google Voice Assistant(G2 connection is required and sold separately). For Deadbolt Smart Lock B200, the speed of fingerprint recognition is less than 0.3s. Next-generation fingerprint unlocking technology, upgraded through AI learning and validated by millions of users.
- ๐๐๐ฌ๐ฒ ๐๐ง๐ฌ๐ญ๐๐ฅ๐ฅ๐๐ญ๐ข๐จ๐ง ๐๐ง๐ ๐๐ฑ๐๐๐ฅ๐ฅ๐๐ง๐ญ ๐๐ฎ๐ฌ๐ญ๐จ๐ฆ๐๐ซ ๐๐๐ซ๐ฏ๐ข๐๐: Install DESLOC fingerprint door lock in minutes by only a screwdriver. Interior lock back cover with adhesive for hands-free setup. DESLOC offers a 24 months product warranty and offers a after-sales service. Contact us via hotline (Mon-Fri, 9am-5pm EST) or 24/7 email support.
- ๐๐๐ฏ๐๐ง๐๐๐ ๐๐๐๐ฎ๐ซ๐ข๐ญ๐ฒ: IP54 waterproof, auto-lock, privacy mode, anti-peeping user code protection, and a robust lock cylinder. Operating reliably in temperatures ranging from -22โ to 158โ (-30โ to 70โ).
That distinction matters when evaluating a lock for a construction project or a home upgrade: a fast stated recognition time does not by itself establish how reliably the sensor works across users or how resistant the lock is to attack. The available product information also does not establish independent security certification or attack-resistance results.
Check the door before buying
DESLOC says the handle-set configuration is designed for single-cylinder doors and is generally used on wooden doors. Its FAQ says mortise or integrated locks are incompatible and that steel doors are generally unsuitable without drilling or other modifications. The lock is described as installable with a screwdriver, but that does not guarantee a no-modification fit on every door.
Rank #2
- ๐๐ฉ๐ฉ & ๐๐๐ฆ๐จ๐ญ๐ ๐๐จ๐ง๐ญ๐ซ๐จ๐ฅ: Pair with Bluetooth for TTLock App control within the distance of 2 meters. Upgrade with G2 Gateway (sold separately) for remote control. Smart Lock B200 allows generate temporary access codes in scheduled time for friends or guests.
- ๐๐ ๐๐จ๐ง๐ญ๐ก๐ฌ ๐๐๐ญ๐ญ๐๐ซ๐ฒ ๐๐ข๐๐: With 4 AA batteries (Not included), DESLOC smart door lock runs around 12 months, with a built-in low-battery indicator and USB Type-C emergency power port. *Battery life may vary based on usage frequency.
- ๐๐ง๐ฅ๐จ๐๐ค ๐ฐ๐ข๐ญ๐ก ๐๐๐ฌ๐ & ๐๐๐ฅ๐-๐ฅ๐๐๐ซ๐ง๐ข๐ง๐ ๐๐: Unlock with fingerprint recognition, PIN codes, 2 physical keys, app control, eKey, fobs, or use your voice with Alexa/Google Voice Assistant(G2 connection is required and sold separately). For Deadbolt Smart Lock B200, the speed of fingerprint recognition is less than 0.3s. Next-generation fingerprint unlocking technology, upgraded through AI learning and validated by millions of users.
- ๐๐๐ฌ๐ฒ ๐๐ง๐ฌ๐ญ๐๐ฅ๐ฅ๐๐ญ๐ข๐จ๐ง ๐๐ง๐ ๐๐ฑ๐๐๐ฅ๐ฅ๐๐ง๐ญ ๐๐ฎ๐ฌ๐ญ๐จ๐ฆ๐๐ซ ๐๐๐ซ๐ฏ๐ข๐๐: Install DESLOC fingerprint door lock in minutes by only a screwdriver. Interior lock back cover with adhesive for hands-free setup. DESLOC offers a 24 months product warranty and offers a after-sales service. Contact us via hotline (Mon-Fri, 9am-5pm EST) or 24/7 email support.
- ๐๐๐ฏ๐๐ง๐๐๐ ๐๐๐๐ฎ๐ซ๐ข๐ญ๐ฒ: IP54 waterproof, auto-lock, privacy mode, anti-peeping user code protection, and a robust lock cylinder. Operating reliably in temperatures ranging from -22โ to 158โ (-30โ to 70โ).
- Confirm the doorโs backset and thickness against the exact configurationโs requirements.
- Check handing and existing bore dimensions before purchase.
- Identify whether the current hardware is a single-cylinder setup or a mortise/integrated lock.
- For a steel door or a door that would need drilling or other changes, establish the required work before ordering.
If the door dimensions or hardware type do not match, installation may require changes or the B200 may not be suitable. The product information cited here does not provide a complete dimension-by-dimension fit chart, so confirm measurements with DESLOC or the retailer for the specific variant.
Battery life, weather rating and emergency power
The B200 uses four AA batteries. DESLOC estimates around 12 months of operation, while cautioning that battery life varies with use; this is a manufacturer estimate, not a guaranteed replacement interval. The lock has a low-battery indicator and USB-C emergency power. DESLOC also lists IP54 water and dust protection and an operating range of -22ยฐF to 158ยฐF (-30ยฐC to 70ยฐC). Those specifications describe stated protection and operating limits, not proof of performance in every outdoor installation.
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Rank #3
- ๐๐ก๐ข๐ฅ๐ & ๐๐๐ญ ๐๐๐๐ ๐๐ง๐จ๐: ๐๐ฅ๐๐ฌ๐ฌ๐ข๐ ๐๐๐๐ฎ๐ซ๐ข๐ญ๐ฒ ๐๐จ๐ซ ๐๐ฏ๐๐ซ๐ฒ ๐๐จ๐ฆ๐.Designed for family-friendly security, the classic round knob helps reduce accidental door openings by children and pets. Its timeless design fits virtually any home style, while the durable zinc alloy construction provides a solid feel, reliable operation, and lasting protection.
- ๐-๐ข๐ง-๐ ๐๐ง๐ฅ๐จ๐๐ค & ๐๐จ๐ข๐๐ ๐๐จ๐ง๐ญ๐ซ๐จ๐ฅ๏ผUnlock your way with a fingerprint, PIN, app, eKeys, fobs, or physical keys. Enjoy hands-free ease via Alexa and Google Assistant (*G2 Gateway required). Perfect for households with kids, elderly parents,or frequent visitors. Say goodbye to hidden keys and hello to smarter living!
- ๐ ๐๐ฌ๐ญ & ๐๐๐๐ฎ๐ซ๐๐ญ๐ ๐๐ ๐ ๐ข๐ง๐ ๐๐ซ๐ฉ๐ซ๐ข๐ง๐ญ (๐ฅ๐๐ฌ๐ฌ ๐ญ๐ก๐๐ง ๐.๐๐ฌ): Unlock in less than 0.3s with self-learning AI fingerprint recognition, supporting up to 50 fingerprints. Keep the sensor clean and register the same finger from multiple angles for reliable performance โ great for dry skin or elderly users.
- ๐๐จ๐ง๐ ๐๐๐ญ๐ญ๐๐ซ๐ฒ ๐๐ข๐๐ & ๐๐๐-๐ ๐๐ฆ๐๐ซ๐ ๐๐ง๐๐ฒ ๐๐๐๐ค๐ฎ๐ฉ๏ผPowered by 4 AA batteries (not included), offering up to 12-month battery life. A low-battery indicator and USB-C emergency power port provide reliable backup power whenever needed. *Battery life may vary based on how often you use the lock.
- ๐๐ฉ๐ฉ ๐๐จ๐ง๐ญ๐ซ๐จ๐ฅ ๐๐จ๐ซ ๐๐ข๐ฆ๐ฉ๐ฅ๐ ๐๐๐๐๐ฌ๐ฌ ๐๐๐ง๐๐ ๐๐ฆ๐๐ง๐ญ. Connect to the TTLock app via Bluetooth (*G2 Gateway required) within close range to manage your smart deadbolt with confidence. Create scheduled or temporary access codes for family members, guests, or short-term visitors, giving you control without sharing physical keys and helping you stay aware of who enters your home.
Is the B200 a secure choice?
The documented features include auto-lock, privacy mode and anti-peeping code protection, alongside fingerprint, PIN and key entry. These are useful access and convenience features, but they do not establish independent resistance to forced entry, biometric spoofing or electronic attacks. No independent test figures for attack resistance or security certification were found in the available sources. For a security-sensitive installation, treat the feature list as a starting point and seek evidence for the specific door, installation and security standards that matter to you.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What to compare before choosing a smart lock
When comparing the B200 with another lock, focus on the factors that affect the installation and daily use rather than the AI label alone:
Quick Recap
Rank #4
- ๐๐ฉ๐ฉ & ๐๐๐ฆ๐จ๐ญ๐ ๐๐จ๐ง๐ญ๐ซ๐จ๐ฅ: Pair with Bluetooth for TTLock App control within the distance of 2 meters. Upgrade with G2 Gateway (Included) for remote control. Smart Lock B200 allows generate temporary access codes in scheduled time for friends or guests.
- ๐๐๐ฏ๐๐ง๐๐๐ ๐๐๐๐ฎ๐ซ๐ข๐ญ๐ฒ: IP54 waterproof, auto-lock, privacy mode, anti-peeping user code protection, and a robust lock cylinder. Operating reliably in temperatures ranging from -22โ to 158โ (-30โ to 70โ).
- ๐๐ง๐ฅ๐จ๐๐ค ๐ฐ๐ข๐ญ๐ก ๐๐๐ฌ๐ & ๐๐๐ฅ๐-๐ฅ๐๐๐ซ๐ง๐ข๐ง๐ ๐๐: Unlock with fingerprint recognition, PIN codes, 2 physical keys, app control, eKey, fobs, or use your voice with Alexa/Google Voice Assistant. For Deadbolt Smart Lock B200, the speed of fingerprint recognition is less than 0.3s. Next-generation fingerprint unlocking technology, upgraded through AI learning and validated by millions of users.
- ๐๐๐ฌ๐ฒ ๐๐ง๐ฌ๐ญ๐๐ฅ๐ฅ๐๐ญ๐ข๐จ๐ง ๐๐ง๐ ๐๐ฑ๐๐๐ฅ๐ฅ๐๐ง๐ญ ๐๐ฎ๐ฌ๐ญ๐จ๐ฆ๐๐ซ ๐๐๐ซ๐ฏ๐ข๐๐: Install DESLOC fingerprint door lock in minutes by only a screwdriver. Interior lock back cover with adhesive for hands-free setup. DESLOC offers a 24 months product warranty and offers after-sales service. Contact us via hotline (Mon-Fri, 9am-5pm EST) or 24/7 email support.
- ๐๐ ๐๐จ๐ง๐ญ๐ก๐ฌ ๐๐๐ญ๐ญ๐๐ซ๐ฒ ๐๐ข๐๐: With 4 AA batteries (Not included), DESLOC smart door lock runs around 12 months, with a built-in low-battery indicator and USB Type-C emergency power port. *Battery life may vary based on usage frequency.
- Entry options: fingerprint, PIN, physical key, app, eKey/fob and voice support.
- Remote access: Bluetooth nearby control versus gateway-enabled access away from home.
- Door fit: compatible lock type, handing, backset, thickness and bore dimensions.
- Power and backup: battery type, stated battery estimate, low-battery warning and emergency entry method.
- Weather and operating limits: the published rating and temperature range for your location.
- Evidence and support: independent security testing, warranty terms and available installation help.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
