Control Traceable 4648 Jumbo Display Vaccine Thermometer with 5ml Round Bottle, -50°C to 70°C (-58°F to 158°F) Range, 0.1° Resolution

Jumbo, triple display Bottle probe for refrigerator applications Out-of range alarm Alarm feature provides alert when temperature rises above or falls below a set point. Alarm is programmable in 1° increments. Ten-foot micro-cable permits refrigerator doors to close on it