At Amazon, get the Chamberlain myQ Secure View 3-in-1 Smart Lock for $190. That’s $10 less than what Home Depot charges. It combines a smart deadbolt, video doorbell, and 2K HDR camera in a single device, with five entry methods including facial recognition, fingerprint, PIN, app control, and key. The rechargeable battery is rated for 4-6 months per charge. Buy Now at Amazon