DSC PC5508Z 8 Zone LED Alarm Keypad for PowerSeries NOS. This DSC PC5508Z LED Alarm Keypad is a great addition to your home security system. With 8 zones and a wired connectivity option, it is compatible with ADT and offers reliable performance. The keypad is made by DSC, a trusted brand in the industry, and is manufactured in Canada. This security keypad is designed to provide you with a sense of safety and security. It is perfect for use in your home or office. The PC5508Z model is easy to use and comes with a range of features that make it an excellent choice for anyone looking to enhance their home security.