The Min-Max and Min-Max plus are Plus is a reliable and cost-effective digital thermometer with real-time LCD display and an external probe. The small thumb-size format fits easily into small spaces. Min/Max thermometer includes a redundant roll over memory allowing for review of up to 30 days of past data. Should you record a critical Min/Max reading the unit can be sent to Scigiene for Data Extraction plus Compliance/Validation report. This Min/Max thermometer can ideally be used in labs and clinic.