Extend your home security with this Yale panic button, providing a quick and easy way to alert others in an emergency. The AC-PB Sync Alarm Panic Button is an accessory of the Yale Sync & HSA Alarms Smart Home Alarm (NOTE: This product does not work with EF and SR alarms) The Sync Alarm Panic Button is your emergency trigger if you need to immediately activate your alarm. It can be triggered even when the hub has no internet connection and mounted on a wall, under a desk or other hidden spaces It's easy to link with your Yale Sync Smart Home Alarm allowing you to customise your system with up to 40 accessories, with the use no screws or tools, perfect if you are renting your home or moving homes. With the Sync Smart Home Hub, Sync Alarm Panic Button and other Sync Accessories you have yourself a comprehensive security system with Yale's 180 years of security expertise behind it. In addition to this, the alarm system has the ability to use leading voice assistants to control your home alarm and have Philips Hue lights as an added deterrent.