... time-delay alarmCall in to set alarm ON/OFF, Monitor, Output, and Intercom.Send SMS to set alarm ON ... , OFF, Monitor, Output5 group phone +Room/zone number1 group alarm monitor center phone number2 group phone ... –10 °C+ 40 °CHumidity ≤ 90 rhRemote ControlPower Supply: DC12V (inner DC12V battery)Transmission Current: ≤15mATransmission Frequency: 315/433MHZ±0.5MHZTransmission Distance: No ...