A convenient add-on to our groundbreaking Ion IQ drive-thru headset system. If the temperature inside the refrigerator or freezer exceeds your pre-set high or low limit, the system sends an alert to employees' headsets. Protects food quality and safety when doors are accidentally left open, or equipment malfunctions. Protect Food Quality and Safety System Highlights ION IQ’s Temperature Alert Sensor works in conjunction with the ION IQ drive-thru headset system to protect the quality and safety of frozen and refrigerated foods. How It Works: As soon as the temperature inside the refrigerator or freezer exceeds the high limit, the system sends an alert to employees’ drive-thru headsets. It is ideal for large walk-in coolers, as well as any point-of-use or storage refrigerator or freezer in your facility. System Highlights > Affordable Assurance: Low-cost accessory prevents simple mistakes or equipment malfunctions from having disastrous consequences. > Simple to Set: No software or special training required. > Compact: A single sensor housed in a compact, durable casing. > Programmable High and Low Alarms: Set the sensor for high temperature limits. Sends an alert the instant either are exceeded. > Easy Installation: Velcro wall mounting kit makes for simple installation. Sensor cord installed through existing opening in most cases