... Auto-dial Home Security Alarm SystemModel: LS-GSM-100B LS-GSM-100B Alarm System Features: 1. Absolutely wireless alarm system, if intruder enter, ... One key control to arm the system via remote control or telephone when at home or outside.16. Programming for alarm ... new parts in safe and efficient way.19. Various functions, such as remote control, system arming/disarming, monitoring and intercom. ...