الوصف

Option: GSM net work, Dual-net GSM+PSTN alarm                                                                                   
1) Intelligent door sensor included:  It can send out 2 signals (Open and close), so, it will protect home better.                                                                                   
2) DOOR CHIME,  This is when the system is disarmed only.  When a door is opened, it will sound fast “bi bi bi”,                                    
3) READY TO ARM, This is when the alarm will know if a door was left open.  If it is not a door or window was left open, it is not ready to arm and sound a long beep(1 second) and display “SYSTEM NOT READY” for 3 seconds, Then the next screen should say:   ARM ANYWAY?                                                                                      
4）The kit price on right hand is based on GSM net,  for Dual-net GSM+PSTN, just add US$6