$145 · August Wi-Fi Smart lock for your house dead bolt

Was used for about a year, and still works as new. These retail for about $300 new. Here are the product details from the manufacturer: - Brand: August Home - Special feature: Biometric verification, Retrofits to your existing deadbolt, No hub needed - Lock type: Wifi, Smart Lock, Retrofit for existing deadbolt, Biometric Lock - Item dimensions L x W x H 7.1 x 7.1 x 7 Centimetres - Material Metal - Style WiFi Smart Lock A key that works everywhere. Lock the front door. And unlock it. From anywhere. Diameter: 72mm; Depth: 46mm Connected right out of the box. August Wi-Fi Smart Lock requires no additional bridge to connect to Wi-Fi, so you get full voice and remote access functionality without the fuss. Requires 2.4GHz Wi-Fi network. Upgrade your existing lock. Easily attaches to your existing deadbolt on the inside of your door - so you can continue to use your existing keys. Lock Compatibility: Works with your existing single-cylinder deadbolt Never fumble for your keys again. Auto-unlock detects when you arrive and unlocks the door. Enable auto-lock to lock when the door closes. Uses 2-factor authentication and AES 128 bit and TLS encryption Send secure keys to friends, family or people you trust instantly, all from the August app. Cancel access any time. Biometric Verification Opt-in to use your smartphone’s fingerprint or facial recognition as an added security verification before operating your lock remotely. The 4th generation smart lock from August, now 45% smaller. Control your door with your voice: Works with all three voice assistants - Siri, Alexa, and the Google Assistant - use your voice to control your door - such as lock/unlock or check the status of your door. Always know who comes and goes with activity feed. See exactly what time guests and loved ones enter and leave your home, with August’s activity feed right on your app. PLEASE NOTE: We are not currently compatible with: Mortise locks. Double Cylinder deadbolts (key hole on both outside and inside of door) Medeco, Mul-t-Lock or single sided deadbolts