| Best ValueB200Budget Fingerprint Deadbolt | Fingerprint (<0.3s), anti-peep PIN, eKey, IC fob, app, physical key; Alexa/Google voice via G2 Gateway | Bluetooth + TTLock app; remote needs G2 Gateway (sold separately) | 4×AA, ~12 months + USB-C emergency port | IP54, −22°F to 158°F BHMA certified, auto-lock, privacy mode, anti-peep code | $59.99 ★★★★☆ | View Deal |
| D110 PlusBest Cheap Built-in Wi-Fi | Fingerprint (<1s, FlashPrint algorithm), PIN, eKey, IC card, physical key, app | Built-in Wi-Fi — no gateway required | ~6 months | Weather-resistant outdoor housing Auto-lock, remote lock/unlock & access monitoring | $159.99$89.99 ★★★★☆ | View Deal |
| Our Top PickK120Best Overall for Families | GPT 3D fingerprint (false accept <1/1,000,000), PIN, physical key, app, voice | Built-in Wi-Fi — no hub required | 15,000mAh rechargeable, up to 13 months; Ultra-Save mode below 5%; built-in USB-C cable | IP65, all-weather resistant BHMA Grade 3 deadbolt, biometric data stored locally | $159.99$119.99 ★★★★☆ | View Deal |
| K140 PlusMaximum Biometric Security | Palm vein (false accept <0.0001%), PIN keypad, app, voice, mechanical key — 5-in-1 | Built-in Wi-Fi — no gateway required | Rechargeable, ~9 months; 24-month battery support program | Weather-resistant curved housing Biometric data stored locally on the lock; door-sensor auto-lock; Vacation/Rest modes | $169.99$149.99 ★★★★☆ | View Deal |
| FlagshipV150 PlusZero-Maintenance Flagship | 3D infrared face (50 faces, liveness detection), GPT curved fingerprint (50 prints), PIN, app, voice, 2 mechanical keys | Built-in Wi-Fi — no gateway; Alexa & Google Assistant | 10,000mAh, 8+ months without any solar input; self-charging under sun and ambient light | IP65, −22°F to 158°F BHMA Grade 3, liveness detection anti-spoofing | $299.99$259.99 ★★★★☆ | View Deal |