A miniature, submersible temperature recorder in food grade stainless steel enclosure. It's small enough to fit into the tiniest of places, even most beverage bottles. Sensor: Internal semiconductor Temperature Range*: -40~+80°C Resolution: 0.1°C Calibrated Accuracy: ±0.5°C Memory: 32,767 Sample Rate: 2 seconds up to 12 hours Alarm: Yes LED Indicator: Red & Green Required Interface Package: IFC102 or IFC202 Baud Rate: 38,400 Typical Battery Life: 1 year Operating Environment*: -40~+80°C, 0~100%RH Submersible: Yes Material: 316L food grade stainless steel Dimensions: 2.6" x 0.7" dia (66mm x 18mm dia.) CE Approval: Yes Weight: 1.8oz.