Features:

• Unlock by entering your 4-8 digit PIN code on the push button keypad. Create unique pin codes to share with family and friends
• Works with Z-Wave systems including SmartThings, Wink, Alarm.com and Amazon Alexa (via SmartThings or Wink)
• Requires a face bore hole of 2-1/8", backset of 2-3/8" or 2-3/4". Fits on standard doors 1 3/4" to 2 1/4"
• Never Get Locked Out: Lock features a 9V battery terminal for emergency charging
• Voted #1 Smart Door Lock brand for 2017 by CE Professionals