... Call to set alarm ON, OFF, Monitor, Output, Intercom.Send SMS to the alarm system to arm,disarm,Monitor ... DC 12V Static Current: ≤20mA Alarm Current: ≤400mA Wireless Receiving Frequency: 433MHzAnti-interference: 1V/m frequency:20-1000 ... the Wireless Alarm System Kit,Siren,Metal Remote Control,Wireless Door Sensor,Wireless Panic Button,Wireless Smoke Alarm,Wireless PIR Detector,Wireless Outdoor Siren ...