ULTRALOQ U-Bolt-BK Bluetooth Smart Deadbolt

The ULTRALOQ U-Bolt-BK is a Bluetooth smart deadbolt with keypad, app control and a mechanical key. Its keyless entry options and scheduled access sharing suit households or rentals, while remote app access requires a separately sold Wi-Fi bridge.

At a glance

Offers keypad, smartphone app, auto-unlock, shake-to-open and mechanical-key entry, according to the listing.
The app is described as supporting access codes or eKeys for permanent, date-limited or scheduled access.
Up to 60 customizable 4-8 digits codes are listed.
The listing claims ANSI/BHMA A156.36 Commercial Grade 1 certification and an IP65 rating.

Price

$89.24Save 15%

Reference price: ~~$104.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Multiple listed entry methods include a backlit keypad and a mechanical backup key.
The listing describes temporary and recurring access options that can suit guests or service providers.
Installation is described as a deadbolt replacement using a screwdriver, without drilling new holes.

Cons

Remote access when away from Bluetooth range requires a separately sold Wi-Fi bridge.
The product listing does not provide battery-life figures.

Technical specifications

7 specifications

Identity
Brand	ULTRALOQ
Model	U-Bolt-BK

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	App, Push Button

Dimensions and installation
Form factor	Square
Dimensions listed	7.5 x 7.5 x 2.5 centimetres

Materials and protection
Material listed	Zinc

What to know before buying

The listing describes Bluetooth app control and says remote access needs an optional Wi-Fi bridge, but a separate product panel also claims built-in Wi-Fi. Confirm the exact connectivity configuration for the selected listing before purchase. Auto-unlock and shake-to-open are listed functions, not a substitute for confirming the access method you intend to use.

What’s in the box

Included

Smart lock with physical keypad and keyhole
Mounting hardware
Backup key
AA alkaline batteries
User guide

Who is it for?

A good fit for

Households wanting keypad, app and mechanical-key entry options.
Hosts or landlords who want to assign access codes or eKeys for set dates or hours.
Buyers replacing an existing deadbolt who prefer a screwdriver-based installation claim.

Less suited to

Buyers who require remote app control without purchasing an additional bridge.
Buyers who need a stated battery-life estimate before choosing a lock.

ULTRALOQ U-Bolt-BK Bluetooth Smart Deadbolt · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 2,884 ratings

5 stars56%56%
4 stars21%21%
3 stars5%5%
2 stars6%6%
1 star12%12%

Customer feedback highlights straightforward installation and ease of use, which may matter to buyers replacing an existing deadbolt. Reports are mixed on reliability, wireless connectivity, security, value and build quality. That uncertainty is relevant for a Bluetooth lock whose remote-access setup depends on the configuration and optional bridge. Aggregate ratings lean positive overall, but do not establish how the lock will perform in a particular home.

Positive themes

Customers describe installation as straightforward and appreciate ease of use.

Mixed feedback

Customer feedback is mixed on reliability, wireless connectivity, security, value for money and build quality.

Frequently asked questions

Can I control the lock remotely over the internet?

The listing says the Bluetooth model requires an optional Wi-Fi bridge for remote access. Another product panel claims built-in Wi-Fi, so confirm which configuration is being sold.

What ways can I unlock it?

The listing names a keypad, smartphone, auto-unlock, shake-to-open and mechanical key. Confirm which functions are supported by the specific configuration you select.

Can I give guests temporary access?

The listing says app users can share codes or eKeys for permanent access, specified dates or periods. It also describes one-time access and recurring weekday-and-hour access.

Does it need new holes for installation?

The listing describes replacing a current deadbolt with a screwdriver and says no drilling is required. Door compatibility details are not provided here.