... English message;10.Users can make calls by using keypad on alarm panel, just like a telephone;11.One-key-control ... , Remote Arm;12.SOS, fire, gas, door, hall, window, balcony, and perimeter places alarm;13.Real-time, delay, 24 hours, bypass ... schematic diagram:Alarm system LCD playerWired terminal block:Standard pack components 1 main panel1 wireless PIR detector1 wireless door sensor1 siren2 ...