August Smart Lock Pro, 3rd generation – Dark Gray, Works with Alexa

Amazon deal of the day August Smart Lock Pro, 3rd generation - Dark Gray, Works with Alexa For $157.50 was $229.99!

Works with Alexa for voice control (hub required, Alexa device and hub sold separately).
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.
Be sure you’re secure with Door Sense. Only August has Door Sense 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. August works with most single-cylinder deadbolts but not mortise, rim cylinder or interconnected locks
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.
Simple, DIY installation. Install in about 10 minutes with just a screwdriver.
Certified Z-Wave Plus home product. Works with Z-Wave, the leading wireless technology for security and home control products.