Yale Assure Lock Touchscreen Front door deadbolt Amazon Key Edition Works with Alexa Smart Home Never worry about lending keys or missing an Amazon delivery again! Using the Amazon Key App, lock and unlock without the hassle of keys. Lock and Unlock Using the Backlit Keypad Enter your 4-8 digit PIN code to unlock, and simply tap with 3 fingers to lock! Create Codes for Friends & Family Using the Amazon Key App, create and manage up to 250 unique PIN codes to share with friends and family! Door Specs Fits standard wood or metal doors 1-3/4" to 2-1/4" thick Requires face bore hole of 2-1/8" Requires backset of 2-3/8" or 2-3/4" Replaces standard deadbolt - not compatible with interconnected locks Features & details Works with Alexa for voice control (hub required, Alexa device and hub sold separately). Get keyless entry and monitor your door with Amazon Key. Optional in-home delivery is also available for Prime members in select cities and surrounding areas. (Amazon Cloud Cam Key Edition required). Easily control who has access to your home. Create up to 250 keypad codes for friends, family and your dog walker. Unlock using the backlit touchscreen keypad with numbers that won’t wear off and lock the door behind you by simply tapping the keypad. Tamper resistant battery cover, privacy button for all code lockout, weather protection gasket and quiet motorized deadbolt. Replaces standard deadbolt – not compatible with interconnected locksets. Lifetime limited warranty for finish and mechanical, and one year warranty on electronics from the most trusted lock brand since 1840. Works with Alexa – ask Alexa to lock your door, or check your lock status. Compatible with doors that have a standard deadbolt mounted separately from the handle and have a thickness of between 1-3/4” to 2-1/4”. The door also needs a 2-1/8” door face bore hole and at least 1” door edge bore hole