Thanks for your information. We have already updated our user manual with new installation video to show step-by-step installation. RFID keypad is a new product of iSmartSafe, and will be launched in Nov. it can be used with iSmartSafe home security system. Users can use RFID keypad for access control purposes, ARM/DISARM the system, and so on. Please refer to product detail page for main function of RFID keypad. If you have any question, please feel free to contact us and one of our customer representatives will be happy to help you.