Name: DESLOC DESLOC Smart Lock K120, Fingerprint Keyless Entry Front Door Lock, WiFi Electronic Deadbolt, 16 Month Li-ion Battery(15000mAh), APP, Touchscreen Keypad, IP65, GPT Smart Recognition, BHMA 3, Black
Brand: DESLOC
Price: 118.99 USD
Availability: InStock

Directory/Smart Locks/DESLOC Smart Lock K120, Fingerprint Keyless Entry Front Door Lock, WiFi Electronic Deadbolt, 16 Month Li-ion Battery(15000mAh), APP, Touchscreen Keypad, IP65, GPT Smart Recognition, BHMA 3, Black

The breakdown

4 axes, scored the same way across every smart locks we log.

Security Truth4.0

Reliability6.0

Battery & Ecosystem7.5

Price Honesty8.0

Spec, translated

The 15,000mAh battery offers a claimed 16-month life, trading disposable AAs for a large, rechargeable pack. This means fewer battery-related chores, but you are tethered to its specific lithium cell for the life of the lock.

Lab notes

The observations that actually change the buying decision.

The 15,000mAh battery is unusually large, likely to compensate for a power-inefficient direct-to-WiFi connection, which typically drains batteries faster than Bluetooth or Zigbee models that use a hub.

BHMA Grade 3 is the lowest residential security rating. It's tested against less physical force and for fewer cycles (100,000) than the Grade 2 standard (400,000 cycles) typically recommended for exterior doors.

The 'GPT Smart Recognition' is a marketing term attempting to capitalize on AI trends. It refers to a standard learning algorithm for fingerprint sensors, not generative AI.

The lock's functionality is entirely dependent on a proprietary app from an unknown brand, posing a risk for long-term software support and security updates.

Why you should buy

This is for a landlord or property manager who needs inexpensive remote code management on multiple low-risk doors and values long intervals between maintenance. It could also suit an interior door, like a home office or workshop, where convenience outweighs security.

Why you should skip

Anyone needing a primary security solution for their home's main entrance should invest in a BHMA Grade 2 or Grade 1 lock from an established manufacturer. Users who want integration with Alexa, Google Home, or HomeKit will find this proprietary system limiting.

What buyers actually say

Themes pulled from real owner reviews, not marketing copy.

Pros

Extremely long potential battery life from a large rechargeable cell.
Fingerprint, keypad, and remote app access for a low price.
IP65 rating suggests decent resistance to dust and rain.
Emergency power-up via a standard USB-C port.

Cons

Low security BHMA Grade 3 rating is unsuitable for a primary entrance.
Unknown brand with no track record for support or longevity.
Likely relies on a proprietary app with no major smart home integrations.
Use of 'GPT' in marketing is misleading and a red flag.

Full specifications

Source: manufacturer + retail catalog · synced today.