August AUG-SL-CON-S03 Silver Smart Lock Pro, 3rd Generation-Dark Gray, Apple Home Kit Compatible and Z-Wave Plus Enabled

Make your front door smarter with an August Smart Lock Pro. Control, keyless access and keep track of who comes and goes, all from your phone. Voltage – 110-240V. August Smart Locks are only compatible with single cylinder deadbolts. The 2nd image illustrates what to look for to determine whether your existing lock is compatible.

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Works with Alexa for voice control (hub required, Alexa device and hub sold separately). Alexa can also provide notifications when your battery is running low so you can proactively replace them. Set up smart reorders through dash replenishment to make sure you always have replacement batteries when you need them.
Simply speak to lock your door. Tell Alexa, Siri or the Google Assistant to control your August Smart Lock Pro (requires August connect Wi-Fi bridge).
Control access for anyone: Grant access for a few weeks, a few hours, or a few minutes. It’s up to you. August Smart Locks are only compatible with single cylinder deadbolts. The 2nd image illustrates what to look for to determine whether your existing lock is compatible.
Be sure you’re secure with DoorSense. Only August has DoorSense to tell you if your door is securely closed and locked.
Always know who is coming and going. Track activity at your doorstep with a 24/7 activity feed.
Keep your existing lock and keys. Easily attaches to your existing deadbolt; use your existing keys at anytime.
Locks automatically behind you, and unlocks as you approach. Retrofit installation works with most standard single cylinder deadbolts
Simple, DIY installation. Install in about 10 minutes with just a screwdriver. Requires iOS (9.0 or higher) or Android (5.0 or higher) smartphones
Certified Z-Wave Plus home product. Works with Z-Wave, the leading wireless technology for security and home control products.