August Keyless Door Entry Smart Lock (1st Generation) - Dark GrayAugust Keyless Door Entry Smart Lock (1st Generation) Dark Gray Features: Compatible with most standard cylinder deadbolts including Kwikset, Baldwin, Schlage, Weslock and more Same great security with a deadbolt lock with smart capabilities Never question whether your door is locked, just check on your smartphone through the August app Senses your smartphone when you approach and automatically unlocks Your original keys will still work as well Easy