Check the listing for details. Thermco™ Fridge-tag™ Freezer 2L Vaccine Thermometer Data Logger. Condition: Used, Made in Switzerland. Listed at 10.39 USD. Introducing the Thermco™ Fridge-tag™ Freezer 2L Vaccine Thermometer Data Logger. With this device, you can keep track of temperature readings in your freezer with ease. It was manufactured in Switzerland and has a USB interface for easy data transfer. The Thermco™ Fridge-tag™ Freezer 2L Vaccine Thermometer Data Logger is designed to measure temperature in freezers only and is VFC compliant. You can trust this device to accurately measure temperature readings without any hassle. Get your hands on this amazing device today! ONLY comes with what's pictured. Please review pictures prior to purchase. We appreciate all business and would recommend sending a message if any issue or concern comes up. Thanks!”