Dry Contact Infrared Access DC Monitor Multi Sensor Alarm Siren Air Velocity AC current Sensor Air Flow Outdoor Vibration PIR sensor Smoke Detector Smoke Detector Combined PIR IR Light Water Detection 4-20mA Access Sensor Airflow Sensor Dry Contact Strobe Light Water Sensor Water Leak vibrationDetect Gas Sensor Gas Temperature Water Leak Thermal Fire Thermocouple Temperature AC Voltage Humidity Sensor