... alarm systems with LED display: 1.Each zone is programmed singly, 2. 315 mhz or 433 mhz optional best gsm home alarm systems with ... : by remote controller, telephone, keypadAlarm Mode: to the alarm center, to the telephone, to the electric sirenRecording Time: ... secTelephone Tumbers: 6 groupsPasswords: 2 groups of 6 digitalsWired Alarm Input: NO/NCMaterials: steel box and ABS keypadWeight: 3000gMain ...