Specification :

GSM MMS ALARM SYSTEM
Detector, video, alarm in all-in-one
1.300K pixels digit camera
2. Alarm to 5 groups phone
3.PIR detector
4.Alarm to 1 group monitor

How to add more detectors?
You can add new detector, such as wireless door sensors, PIR Sensors, gas and smoke detectors when you push the reset key( inside the battery cover) untill the LED change from green to red. You should trigger every detector, and the red LED will flash and shows successful .After you finish doing it, you can push the reset key again or waitting 20 seconds, it ends and automatically enter into working state.( with green LED) , you can program it by 71# --86#
How to cancel the lost detector?
It often happens that some of coded detectors are lost. you can cancel the coded information of this detector so that it can not control your alarm system. just reset the alarm system by keeping reset key and turn on power and then beep or LED flashes, it shows reset is successful. All registered detector have been deleted and password is123456. You can register them again with the above solution.