Generally speaking, one controller can only be used to operate one Z-wave device at a time, while some controllers allow for several controllers to be present. You should check with both Smartthings and ADT to make sure they provide this feature, although I highly doubt it.
Here it is, the Kwikset 916 Traditional Deadbolt. Adding the Kwikset SmartCode 916 Touchscreen Deadbolt to your home security setup is a great way to beef up its protections. When combined with other Home Connect-enabled security and automation devices, the lock will be able to share data wirelessly. Lock your door and give up to 30 trusted people, such as relatives, friends, or dog-walkers, their own unique codes with the touch of a button. Press your palm or the back of your hand to the touchscreen to activate it. Use the Z-Wave 500 chipset for better wireless encryption, over-the-air firmware updates, and expanded wireless range. The user may check the lock’s status, lock and unlock the door, and get alerts sent to their phone via email or text message all from a distance (via a third-party smart home controller).
With Home Connect, you can extend your smart home system to your door lock and have everything set up just the way you like it every time you lock or unlock your door. If your home is equipped with a smart security system, you can lock and unlock the door from your smartphone. Up to 30 user access codes can be set up for family and guests to use at the entrance; the thermostat can be set to automatically heat or cool the house when you get there. Including Smart Key re-keying technology, the lock can be rekeyed in 3 easy steps. Check to see if the lock is engaged, or get alerts whenever the door is locked or unlocked. For standard (between 1-3/8 and 2 inch) door thicknesses Please read the included instructions before using this software for the first time.
Use the Z-Wave 500 chipset for better wireless encryption, over-the-air firmware updates, and expanded wireless range. The user may check the lock’s status, lock and unlock the door, and get alerts sent to their phone via email or text message all from a distance (via a third-party smart home controller). Secure Screen’s proprietary technology includes a one-touch lock, an automated door lock that can be set to engage after 30 seconds for further security and peace of mind, and more. Including state-of-the-art Smart Key Security, which prevents even the most sophisticated break-in tactics and lets you rekey your lock in minutes. Does not use zigbee or Amazon Key, and therefore does not work with Xfinity. Alexa allows for control via voice (smart home z-wave hub required, Alexa device and hub sold separately) Featuring a 20-minute fire rating and a rounded-corner face, the Deadbolt Latch is a reliable security option. Door locks and unlocks remotely by web or phone with Z-Wave smart home system.
Its modern metal construction and tamper-proof inner cover allow you to replace your existing deadbolt without having to rewire the door. Kwikset’s Home Connect SmartCode 888 Concerning This is a SmartCode 888 The Smart-code 888 is a smart lock that, with the help of Home Connect technology, can talk to other devices in your home wirelessly. The user may check the lock’s state, lock and unlock the door, and get alerts by email or text message all from a distance (using a web-enabled smartphone). Smart-code is easy to set up, program, and use, and it only requires four AA batteries to function. Smart-Key security is also included as a secondary key system. offers a one-year warranty on electronics and a lifetime warranty on parts and labor. Now, thanks to home connect technology, your keyless entry lock may communicate wirelessly with your home’s security and automation systems.