The Temperature Log RFID is composed of two components: Temperature Tag and Temperature Reader. The Tag collects the temperature info of certain or multi-time-points and buffer the info. Via wireless RF signal, the reader is mainly responsible for receiving the ID number, reading the temperature info in tag and then uploading to the receiving terminal. The main function of Temperature Log RFID is to record the temperature values in multi-time-points of designated place, and through wireless transmit the values to the management center for analyzing. The sketch is as follows: Features: 1. Test range: -40 ℃ ~75 ℃ 2. Tolerance:  ± 0.5 ℃ 3. Record data: up to 4000 points 4. Acquisition time interval can be set 5. Using 2.4 GHZ wireless transmit the temperature data, user-friendly 6. Small size, just like the matchbook 7. Low current-consuming, battery replaceable, easy to be installed and maintenance 8. High enclosure protection degree, up to IP65 Skype:  bisajanicezzhang janicezzhang 1813659476 It works in the microwave band 2.4 GHZ, a worldwide ISM band, has strong commonality and adaptability. Moreover, it is with high air data transfer rate and preferable anti-conflict capability. This product is suitable for fixed locations, and also adapts to the motion situation, such as the environmental temperature monitoring to the goods in vehicles.