Sensor Features:1. Re-use: 32000 of data storage, recording interval 10 minutes. 2. Temperature Alarm: over-temperature alarm setting, LED flash alarm, timely report abnormalities to avoid losses caused by temperature changes. If the alarm indicator (. red light) is on, it means the temperature is too high during the recording process. 3.USB Plug and Play: USB interface directly into the computer to read the data.PDF report automatically generated PDF report, without having to install any driver program word. 4. Wide Applications: food and vegetable storage, agricultural farming, cold chain transport, etc. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank youPlease note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:Plastic Package Contents: 1 * temperature recorder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.