Note: The Tm1Akit Is For Aftermarket Installation. It Ships In A Single Box With The Following Items Included: Tm1A Temperature Monitor, 115V Power Adapter With A 10' Long Cord And 2-Prong Plug, An External Temperature Sensor Encased In A Bottle Filled With Glycol, And Adhesive Strips For Installation. If You Want This Unit Installed On An Accucold Or Summit Refrigerator, Order The Tm1A Option With Your Unit. Contact Your Sales Representative For Details And Pricing On Pre-Installation. Accucold'S Tm1Akit Allows You To Connect Your Refrigeration Equipment To Your Facility'S Remote Monitoring System While Providing A Continuous Temperature Readout Of The Current And High/Low Temperatures In An Easy-To-Read Lcd Display. It Operates With A +/-1 C Accuracy When Measuring In A Range Of -100 C To +100 C. The Temperature Probe Is Encased In A Glycol-Filled Bottle To Protect It From Rapid Changes When The Door Is Opened, Better Simulating The Temperature Of Stored Contents Instead Of Air Temperature. It Has A 10' Long Teflon Cable To Allow For Easy Installation Inside Your Refrigerator. Users Can Program The Audible And Visual High/Low Alarm Set Points And Initial Alarm Delay Time. Parameters Are Stored In Non-Volatile Memory And Are Maintained Even When Power Is Removed.