No more hiding or lost keys.

Your smartphone is your key. Lock or unlock with U-tec app for both iPhone and Android.

Auto Unlock

No need to fumble with your keys. Ultraloq U-Bolt unlocks the door for you when you arrive at your door with your smartphone in your pocket.

Magic Shake

Just shake your phone to unlock your door. No need to open U-tec app or wakeup your smartphone’s screen.

Auto Lock

Ultraloq U-Bolt can relock automatically to for added security and convenience.

Anti-peep Keypad

You can type in any number of random digits, and can still gain access as long as the 1 correct password is embedded in the longer set of numbers.

Anti-peep touch keypad technology makes sure strangers can’t steal your password by watching you nearby when you enter the password.

Share the Access to Your Home

Grant access to your family, guests or service people via a code or an eKey for permanent access, specific dates or periods of time. No monthly fees.

Share Ekey

Grant access for specific dates or times.

Keyless Entry

Ultraloq App enables you to unlock your door with your smartphone.

Manage Users

Knows who has the access to your lock and how. Add or delete users any time you want.

Log Record

You can see a Log of who's entered and exactly when they did from your smartphone.

Go Remote Instantly with Bridge

Control entry access to your door from anywhere, for anyone with the optional Bridge. You can unlock your Ultraloq or grant access to guests and visitors via an eKey for specific dates or periods of time remotely with no monthly charges. You will receive a smartphone notification when someone opens your door.


Just ask Amazon Echo or Google Home to control your Ultraloq. You can also integrate seamlessly with popular smart home devices using IFTTT functions.

Dual Data Encryption

All communications are encrypted using bank level 128-bit AES via an embedded hardware coprocessor. The second layer of protection is the Dynamic Key. This key code is randomized for every single data transfer. Even if somebody were able to capture the AES encrypted data, the Dynamic Key protection would make it impossible to for them to unlock your door.

Up to 8,000 Times Access

Thank to Bluetooth 4.0's ultra low power consumption technology, Ultraloq U-Bolt can be powered by four AA batteries with more than one year of battery life through regular use. Low battery notification via smartphone app.

DIY Installation

Ultraloq U-Bolt is designed to fit any US standard door. The simple installation takes minutes and only four screws. No wiring and no drilling.

Guests coming?

Hands Full?

Go for a run without keys?
No worries!

Did kids get home safely?


Access your Ultraloq remotely

What’s in the box

External Assembly

Internal Assembly

Mounting Plate




Bridge (Optional)

Backup Key



Dril Template and Manuals

Model U-Bolt
Connectivity Bluetooth 4.0
User Capacity 100
Code Capacity 100
Hardware type Deadbolt
Case Material Strong Zinc Alloy
Finish Satin Nickel or Black
Working Voltage 6V (4 X Alkaline AA batteries)
Working Temperature Outside lock body: -22 °F (-30 °C) to 158 °F (70 °C)
Inside lock body: 14 °F (-10 °F) to 131 °F (55 °F)
Dimension 2.95 x 2.95 x 0.98 inch / 75 x 75 x 16 mm (front panel)
2.95 x 4.92 x 0.96 inch /75 x 125 x 35.3 mm (back panel)
Weight 1.7 lb / 0.8 kg
LED Indicator Color Red


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