Connectivity Bluetooth, WiFi (Ultraloq Bridge is required) Identification Mode Code and Bluetooth Working Voltage 6V (4 X Alkaline AA batteries) Battery Life Up to 1 year (8000 times access) Compatible Smart home Eco-system Alexa, Google Assistant, IFTTT Hardware type Deadbolt Door Handing Reversible Ultraloq U-Bolt is a 5-in-1 Smart Deadbolt with features like a phoneless entry for the ultimate flexibility, and keyless features like Auto Lock and Auto Unlock. It also features an anti peep keypad that allows you to enter a security code embedded in a random group of numbers. With the available Ultraloq Bridge WiFi adaptor, you can control your U-Bolt remotely on the U-tec App, receive smart notifications when someone unlocks the door, distribute eKeys and use voice commands with IFTTT, Google Assistant and Alexa. The App that is available for iOS and Android gives you complete control of your smart deadbolt, allowing you to manage users and provide visitors like Airbnb guests temporary access codes, see a log record of who has entered and enables you to unlock your door with your smartphone. You can also control it directly from your Apple Watch. Ultraloq U-Bolt is a simple and safe security solution. All communications are encrypted with Two-Layer protection using secure 128-bit AES and a Dynamic Key that will keep you and your data safe. It is powered by 4 AA batteries that will give you 8,000 + times access, forget about locksmiths, just use the backup key, or an external battery to power it up temporarily. Ultraloq U-Bolt will take only minutes to install, fits any standard US door with no wires or drilling needed. Features : 5-in-1 Keyless Entry Smart Lock: Anti-peep Keypad + Smartphone + Auto Unlock + Shake to Open + Mechanical Key. Ultraloq Bridge WiFi Adaptor is required for remote access (sold separately) Security: Dual Data Encryption makes it impossible to unlock your door without your permission === Specs: Model U-Bolt Connectivity Bluetooth, WiFi (Ultraloq Bridge is required) Identification Mode Code and Bluetooth Fingerprint Sensor n/a Code User defined 4-8 digit / Max of 60 unique codes Keypad Backlight Yes User Capacity 60 Temporary Code or Ekey Yes Compatible Smartphone iOS and Android Remote Access Ultraloq Bridge WiFi adaptor required Mechanical Key Override Yes Micro-USB Backup Power Interface Yes Working Voltage 6V (4 X Alkaline AA batteries) Working Temperature Outside lock body: -22 ̊F (-30 ̊C) to 149 ̊F (65 ̊C) Inside lock body: 14 ̊F (-10 ̊C) to 131 ̊F (55 ̊C) Battery Life Up to 1 year (8000 times access) LED Indicator Color Red, green and blue Compatible Smart home Eco-system Alexa, Google Assistant, IFTTT (Ultraloq Bridge is required) Hardware type Deadbolt Door Prep 2-1/8” (54 mm) diameter face hole & 1” (25 mm) diameter latch hole Door Thickness 1.3 - 1.96 inch (33 - 50 mm) Backset Adjustable to 2-3/8” or 2-3/4” Door Handing Reversible Case Material Premium Zinc Alloy Finish Black with Satin Nickel Dimension 2.95 x 2.95 x 1.22 inch / 75 x 75 x 31 mm (front panel) 2.95 x 4.92 x 1.39 inch / 75 x 125 x 35.3 mm (back panel) Weight 3.3 lb / 1.5 kg