Yale HSA App Alarm Kit The Yale App Alarm Kit has all the benefits of a traditional alarm, as well as being controllable via a smartphone. The Yale Home App allows alert notifications to be sent to a smartphone whenever an alarm is triggered, as well as offering a remote arm/disarm function. The 100dB alarm will sound if motion is detected and the correct 4 digit pin has not been entered within 10 seconds of entering. Features and Benefits Control Via Smartphone. Send Push Notifications to a Smart Device. Easy to Fit - Wire free for quick and easy installation. No Monthly Fee- No hidden costs and no contracts. Keypad allows you to use the alarm locally without the Home App so can be operated by family members who do not have smart phones. Part-Arm - Secure your home even when you are in, with zone control. Works with Philips Hue - Dummy Siren provided for a secondary visual deterrent. Expandable - Add up to 20 devices to customise your system. Hub features battery back up to ensure y