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Keys Out. Freedom In.

Enjoy Keyless Entry with ULTRALOQ U-Bolt Pro WiFi smart lock!

The 1st Choice for Millions of Families

Discover The Ultimate Smart Lock!

There is no purer form of security and flexibility than the ULTRALOQ U-Bolt Pro lineup. Harnessing the latest smart technology for day-to-day functionality without sacrificing durability and strength, this lineup redefines a better entry experience and elevates your home security.

  • 360° Live Fingerprint ID

  • Control from anywhere

  • Auto Lock

  • Smart Notification

  • Simple Installation

6-in-1 Keyless Entry Smart Lock
Smartphone App
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Increased Security

No more wondering if your door is locked and closed. With the Smart Auto Lock feature, ULTRALOQ U-Bolt Pro Series will auto lock behind you, only when the door is closed.

This was a replacement lock for a preexisting dead bolt. It fit perfectly within the door. The Ultraloq U-Bolt Pro WiFi is simple to program, works every time, connects to Wi-Fi without missing a beat. The auto lock feature works perfectly as well so there is no chance of leaving the door unlocked by mistake. This is a purchase you will be happy with for years to come.
—— Darrin H.

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Physical & Storage
Hardware type
Mechanical Key Override
Case Material
Premium Zinc Alloy
3.3 lb / 1.5 kg
2.95 x 4.92 x 1.39 inch / 75 x 125 x 35.3 mm (back panel)
2.95 x 2.95 x 0.98 inch / 75 x 75 x 25 mm (front panel)
Working Temperature
Outside lock body: -22 ̊F (-30 ̊C) to 149 ̊F (65 ̊C) IP65 Rated
Inside lock body: 14 ̊F (-10 ̊C) to 131 ̊F (55 ̊C)
Users: 50
Codes: 50
Working Voltage
6V (4 X Alkaline AA batteries)
Battery Life
U-Bolt, U-Bolt + Bridge, U-Bolt Z-Wave: Up to 1 year
U-Bolt WiFi: 3-6 months
Connectivity & Integration
Standard Bluetooth, optional WiFi (2.4GHz, 802.11 b/g/n) or
Z-Wave Plus (908.4 MHz, 916 MHz)
Compatible Smartphone
iOS and Android
Compatible Smart Home Eco-system1
Alexa, Google Assistant, IFTTT, SmartThings
Installation & Warranty
Door Prep
2-1/8 inch (54 mm) diameter face hole & 1 inch (25 mm) diameter latch hole
Door Thickness
1.375" - 1.75" (35-45mm)
Door Handing
Adjustable to 2-3/8 inch or 2-3/4 inch
18 months electronic warranty and lifetime mechanical warranty

1. Some smart features, including Remote Smartphone Control, Smart Notifications, Smart Home Integration including Works with Alexa / Google Assistant / SmartThings / IFTTT with require U-Bolt + WiFi Bridge, U-Bolt WiFi or U-Bolt Z-Wave with a compatible Z-Wave-certified smart home system like SmartThings, Habitat etc. Features may vary based on Z-Wave controller. Working internet and Wi-Fi is required.

2. Some smart features including Door Status and Smart Auto Lock require U-Bolt WiFi and U-Bolt Z-Wave. U-Bolt and U-Bolt + WiFi Bridge doesn't show you door status and auto locks on a preset timer.

3. Compatible with Z-Wave Hubs requires U-Bolt Z-Wave with Z-Wave-certified smart home system like SmartThings, Habitat etc.

4. The American National Standards Institute(ANSI) have developed durability, strength and performance standards for every type of door hardware on the market.

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