Access history is available in some setups (and was highlighted in early coverage), but in practice it can depend on the hub and platform, and not every controller app exposes detailed logs.
Activity and access logs are generally presented as a clear timeline of lock events and users, but one negative review claims a late-night unlock incident did not appear in the log, raising consistency concerns in edge cases.
Reviews note no built-in alarm/siren, so there is no siren loudness benefit to rely on.
App support is inconsistent: some versions rely on a smart-home hub app rather than a dedicated Kwikset app, which can limit advanced controls like remote code creation on certain platforms.
The app is generally described as intuitive and full-featured (status view, settings, guest management, alerts, and timelines), though one highly negative review reports freezing, connectivity frustration, and inconsistent state reporting.
Auto-relock/auto-lock features are commonly praised for convenience and worked consistently in testing, but toggling settings may require opening the interior panel and using small switches.
Auto-lock is consistently praised for flexibility (from very short delays up to about 30 minutes) and for preventing accidentally-unlocked doors, but some users disable it to avoid being locked out when they step outside without phone or keys. Auto-unlock is a high-convenience feature when it behaves, but experiences vary: some reviews say it works well most of the time, while long-term users report it can be slow, inconsistent, or unreliable enough to fall back to physical keys.
Powered by four AA batteries with low-battery warnings and external 9V jump terminals for emergencies; battery life reports vary (some cite roughly 5 to 6 months), and battery access can require partial disassembly.
Battery life is the most common tradeoff: the lock uses two CR123 batteries, and while some sources cite multi-month expectations, at least one long-term review reports significantly shorter life (weeks) and others note higher replacement cost and limited in-app visibility.
Multiple reviews explicitly note there is no Bluetooth, so there is no phone-proximity unlock or key fob option.
Bluetooth is used for close-range control and proximity-based features (including aspects of auto-unlock), and while it works well for many, some users describe occasional slow or inconsistent proximity behavior.
The exterior build is described as sturdy and the mechanism proved reliable in use, but at least one reviewer reported sloppy bolt machining that made installation harder.
Build quality impressions are strong: the compact puck design is described as well-made with a good feel and improved aesthetics compared with older, bulkier generations.
Reviews note no full door-open/closed alerting, but some describe auto-lock behavior that only triggers when the door is closed and may beep when it is not fully shut.
DoorSense/door-position sensing is often cited as useful and accurate for door-ajar alerts when installed and calibrated, but at least one reviewer reports persistent calibration problems and unreliable open/closed status detection.
If you are replacing another Kwikset deadbolt, the footprint and standard door prep can make swaps easier, with minimal changes to the door.
Across reviews, the retrofit design is a standout: it replaces only the interior thumb-turn so you can keep your existing deadbolt, exterior look, and physical keys, which is especially appealing for renters and shared access situations.
Z-Wave Plus versions cite over-the-air firmware update capability, but overall functionality remains intentionally minimalist and still depends on the hub ecosystem.
Geofencing underpins the arrival/leave automation and is viewed as helpful by some, but its success depends on the approach path, phone behavior, and Bluetooth handoff, leading to mixed real-world consistency.
Obsidian stores up to 16 codes on the standalone model and up to 30 codes on connected versions, with 4 to 8 digits per code; code limits and scheduling features vary by model and ecosystem.
Guest access features are a strong point: reviews describe virtual keys, guest lists, temporary or scheduled access windows, and easy sharing (often via text/email), with keypad entry available as an add-on.
Most smart features require a compatible Z-Wave hub; without it, Obsidian behaves like a standalone keypad deadbolt.
Because Wi-Fi is integrated, reviews emphasize there is no separate hub or bridge required for remote access, simplifying deployment compared with older generations that needed a plug-in module.
Many reviewers found setup straightforward with good hardware options, but others ran into alignment issues, confusing instructions, or a tricky handing/calibration step that required rework.
Most reviewers describe a fast install (around 10 minutes) with clear in-app guidance and straightforward calibration, but a minority report setup friction such as app freezes, verification hassles, or door-trim/fitment tweaks that required rework.
Obsidian is keywayless, so there is no physical key override if electronics fail; the emergency fallback is the external 9V jump terminals plus your PIN.
Physical key override remains an important safety net: reviews repeatedly note you can still unlock with a normal key if batteries die or smart features misbehave.
The illuminated touchscreen keypad is central to the design and is generally responsive and easy to use, though a few reviewers note it can take multiple touches to wake.
A keypad is available but typically not included; reviewers say it works and is useful for kids or key-free entry, yet it adds cost and some find it small or slightly laggy compared with locks with built-in keypads.
Unlocking is generally quick once the keypad wakes, but some reviewers reported slower wake behavior and slightly slower operation in hot, sunny conditions.
Most reviews describe fast, smooth, and quiet lock/unlock action via app or manual turn, though keypad entry can have a small delay and one reviewer reports freezes that interrupt responsiveness.
Motor noise is noticeable to some reviewers, who describe the mechanism as loud during operation.
Across reviews, the lock generally operated consistently without jamming, and the auto-relock feature performed reliably when enabled.
Locking reliability is rated highly in most tests after calibration, but a minority report the lock getting confused about state, inconsistent auto-unlock, or requiring occasional troubleshooting to restore dependable operation.
The lock provides audio/LED indicators (including low-battery alerts) and hub apps can show lock state, but native, lock-specific push notifications are limited and platform-dependent.
Notifications and smart alerts are frequently described as timely and customizable (lock/unlock events, auto-lock events, door-ajar alerts, and user-specific actions), though one account complains about missed logging for a concerning event.
Removing the keyway reduces exposure to key-based attacks, but otherwise Obsidian is a standard deadbolt without advanced intrusion sensing or active defense features.
One review cites top-tier physical strength (ANSI Grade 1) for the lock/bolt, framing it as unusually strong among smart locks tested.
Keywayless entry reduces the risk of traditional picking and bump-key attacks; reviews do not provide an explicit drill-resistance rating.
When paired to a Z-Wave hub, reviewers were able to lock/unlock and check status remotely, but code management and other functions can be restricted by the chosen platform.
Remote lock/unlock from anywhere is widely reported to be responsive once connected, and even the most critical reviewer notes unlocking via the app itself generally worked; issues center more on setup/state tracking than basic remote commands.
SecureScreen (decoy/random digits) helps prevent fingerprint-based code guessing, and Z-Wave versions mention encryption; the keywayless design also removes common key-based attack vectors like bump keys.
Security features discussed include encrypted connections (Bluetooth and app traffic) and safeguards like voice PIN requirements, contributing to reviewer confidence for typical smart-lock use.
Integration centers on Z-Wave hubs (such as SmartThings, Wink, and Control4) with Alexa/Google voice control typically routed through that hub; multiple reviews call out missing native HomeKit support.
Smart-home integration is a core strength with support for Alexa, Google, and HomeKit (plus other ecosystems noted in reviews), though HomeKit stability and device state accuracy are not perfect for every user over time.
The glossy, minimalist touch surface looks premium on modern doors but can smudge; SecureScreen and anti-fingerprint coatings help reduce obvious fingerprint trails.
Two-factor authentication is explicitly mentioned as available for account access, adding protection for cloud-connected control and sharing features.
You can add/remove PINs and use an optional master code, but advanced guest access controls (expiring or scheduled codes) are limited or unavailable on some models and hubs.
User access management is robust, supporting multiple users (and often multiple homes/locks), with options to tailor alerts and track who used the lock and when.
Pricing is mid-to-premium for a touchscreen deadbolt; value is better if you already own a Z-Wave hub, but paying extra for a hub and living with limited code controls can reduce perceived value.
Pricing is often called high but competitive for built-in Wi-Fi smart locks; many justify it for the retrofit convenience, while critics point to CR123 upkeep and occasional reliability hiccups as value detractors.
Voice control generally works for locking and status checks through Alexa/Google when paired with a hub, but unlocking by voice is often restricted for security.
Voice control works with major assistants and typically requires a PIN/password for unlocking; several reviews report good results, while others mention occasional failures, slowness, or discomfort with speaking a password aloud.
The black exterior can absorb heat in direct sun; at least one reviewer noted it can get hot to the touch and may slow slightly under high heat.
There is no built-in Wi-Fi; remote access typically depends on Z-Wave plus a hub rather than direct Wi-Fi connectivity.
Built-in Wi-Fi is repeatedly highlighted as the key upgrade for true remote control without an add-on bridge, but it can increase battery drain and, in one account, made setup more finicky with certain Wi-Fi environments.