SABRE Wireless Keypad Control for WP-100 Wireless Home Security Burglar Alarm System - DIY EASY to Install MAXIMUM SECURITY  added convenience for your existing SABRE Wireless Home Alarm System, this additional keypad control can be used in multiple locations such as, a back door, garage, master bedroom, etc. USER-FRIENDLY  connects to your existing Wireless Home Alarm System, allows you to test, add additional sensors and change your security PIN VERSATILE & CONSUMER PREFERRED  ideal for back door, garage, master bedroom and more; superior to other home security products, this premium white keypad control looks great inside your home EASY INSTALLATION  no wiring needed (requires 2xCR2032 batteries, included) EXTRA LEVEL OF SECURITY  panic button included for emergency situations