The DSC PowerSeries Alarm Keypad PK5500E7 in White with EPP keys is a single unit designed for alarm systems and security control panels. Manufactured by DSC, this keypad offers a user-friendly interface for monitoring and controlling your security system. With its sleek design and efficient functionality, this keypad is ideal for businesses, offices, and industrial facilities looking to enhance their surveillance and alarm equipment. Easy to install and use, the DSC PowerSeries Alarm Keypad PK5500E7 provides a reliable solution for ensuring the safety and security of your premises.