This product is a D210zw605 Real Living smart deadbolt lock for exterior front doors from Yale. Featuring an access keypad, the Real Living lock uses the Z-Wave protocol, and is made of polished brass. It can be used to link up with a range of smart home systems such as Nest, Google Home, Alexa, Samsung SmartThings, WeMo, the Apple HomeKit, Logitech Harmony, Philips Hue, and IFTTT.