This Smart Lock Is Feature-rich, Solves A Common Problem - And It's 43% Off

ZDNET's cardinal takeaways

• You tin bargain a Philips Home Access 4000 Series smart fastener for nan MSRP of $210
• This smart fastener is very responsive, taking speedy action erstwhile commanded, and features plentifulness of unlocking options successful nan user-friendly app
• The fastener is simply a spot slow successful nan process of locking itself and past being receptive to a codification aliases fingerprint and makes immoderate errors pinch fingerprint unlock.

The Philips Home Access 4000 Series smart lock is disposable for $90 disconnected during Amazon Prime Day, now priced astatine only $120.

Also: The champion Prime Day deals you tin shop now.

Testing smart locks is much nosy than you'd expect for a instrumentality pinch specified a elemental function: to fastener your doorway pinch nan deadbolt packed within. Different smart locks characteristic varied unlocking options and a wide scope of reliability, while others person flashy features to make them guidelines retired from their competitors. 

But smart locks for illustration nan Philips Home Access 4000 Series are a cleanable blend of simplicity and convenience. I've been testing this smart fastener for weeks and person concluded it's 1 of nan champion options astir group tin buy, pinch aggregate ways to unlock it that see a passcode, a beingness key, fingerprint, aliases done nan app. 

Beyond unlocking options, nan 4000 Series smart fastener besides includes a sensor that you put connected your doorframe adjacent to nan deadbolt to find whether your doorway is unfastened aliases closed. A smart fastener that only tells you erstwhile your doorway is unlocked aliases locked isn't very useful, arsenic your deadbolt tin prosecute erstwhile nan doorway is wide open, and nan fastener would still show you it's locked.

I admit having a sensor that checks whether nan doorway is successful truth closed, particularly if I'm headed retired nan doorway successful a hurry and want to peek astatine nan app to guarantee I closed my door. Additionally, nan sensor adds auto-lock functionality, which lets maine unlock and unfastened nan doorway and past person nan deadbolt fastener wrong a fewer seconds of my closing it again, nary matter really agelong I kept it open. 

This Philips smart fastener does this reliably, failing to fastener itself upon closing only erstwhile successful nan weeks I've utilized it. 

Installing nan Philips Home Access 4000 Series was arsenic easy arsenic replacing a deadbolt, and I encountered nary issues during nan setup, but I did find immoderate sporadic issues while testing nan fingerprint unlocking. 

Maria Diaz/ZDNET

While I didn't person issues adding fingerprints, I had immoderate problem reliably unlocking my doorway by scanning my fingerprint. This didn't hap each time, but nan smart fastener showed errors astir 25% of nan clip I went to unlock pinch my fingerprint. Overall, nan fingerprint unlocking usability was nan astir buggy characteristic I recovered pinch nan Philips Home Access 4000 Series, though it's not bad capable that I wouldn't urge nan smart lock.

Also: This smart fastener pinch facial nickname spoiled each different information instrumentality for me

The only different downside I recovered while testing this smart fastener is that it tin beryllium a spot slow erstwhile switching from 1 functionality to another. When I closed nan doorway and tried to quickly unlock it again, nan Philips Home Access 4000 Series took respective seconds from erstwhile nan deadbolt was engaged to allowing maine to aftermath nan screen. This is simply a problem that users are improbable to brushwood successful normal use, and it only happened erstwhile I many times tested nan lock's limits.

Maria Diaz/ZDNET

Aside from these insignificant issues, I recovered this smart fastener to execute very reliably. I for illustration that it features a touchscreen alternatively of a keypad, and nan numbers are ample and easy for older users to see. The app is elemental to usage and snappy and lets you easy customize settings to your needs, for illustration mounting nan auto-lock timer from 30 to 180 seconds, adding caller imperishable aliases impermanent passcodes, and adding caller users and fingerprints.

ZDNET's buying proposal

Overall, nan Philips Home Access 4000 Series smart fastener is simply a cleanable prime for astir users, whether they're caller to nan smart location world aliases are knowledgeable and looking to turn their smart home. The easiness of usage and readability make it a awesome prime to springiness to personification looking for nan convenience and easiness of keyless entry. 

Also: Everything you request for smart location security

I really for illustration that this fastener is easy capable for maine and my family to usage but besides for guests to interact pinch during their enactment and visitors that whitethorn request one-time access.