Advantages: 1.Easy to operate,LCD Display; 2.Child Remote Control Recognize Function; 3.Can use like a cell phone; 4.SMS function and listening function; 5.Remote control by cell phone or remote S3524A is designed for house and office and other applications. It based on GSM Communication network and Lcd Menu display technology. When any sensor triggered, it will Call&Send SMS to user cellphones. Also, the Child Remote Control recognize function is our unique technology, When the Child press his remote control button, the mainframe will send a SMS “I’m leave home now” or “I’m come back home now” to his father or mother! The S3524A equips with LCD and Operation Menu Display, all operations and settings are visual and intuitive! Intruder alarms, burglar alarm, GSM Alarms, GSM Alarm, GSM Alarm systems, security alarm systems, wireless alarm, wireless alarm systems, wireless home alarm, security equipments, security devices, home alarm, wireless sensors