If you're looking for a module to monitor temperature at your alarm location then you'll want the M1ZTS. Connect this to your ELK panel and you can keep track of temperatures from -50F to +140F. This has many applications from deep-freezer monitoring to farming uses. You can access this locally or through remote means.
Specifications:• Operating Voltage: 12 Volts D.C.
• Current Draw: 10mA
• Housing Dimensions: 2.375" x 1.25" x 1"