This humidity and temperature recorder with LED alarm indicator provides visual indication that temperatures have exceeded user defined thresholds. Ideal for monitoring the storage or shipment of perishable goods. Features push-button start. Temperature Sensor: Semiconductor Temperature Range: -40 to +80°C Temperature Resolution: 0.1°C Calibrated Accuracy: ±0.5°C (0 to +50°C) Humidity Sensor: Semiconductor Humidity Range: 0 to 95%RH Humidity Resolution: 0.1%RH Humidity Accuracy: 3%RH(2%RH typical @25C) Memory: 16,383 readings per channel Sample Rate: 5 seconds up to 30 minutes Required Interface Package: IFC110 or IFC200 Baud Rate: 38,400 Typical Battery Life: 1 year LED Indicator: Red & Green Operating Environment: -40~+80°C, 0~95%RH non-condensing Material: ABS plastic Dimensions: 1.4" x 2.2" x 0.6" (36mm x 56mm x 16mm) Approvals: CE Pushbutton Start: Yes Weight: 1oz.