Ideal for monitoring -200C cryogenic freezers through external probes PDF and CSV reports can be obtained without any software LCD screen displays real-time temperature data Flight mode for air portation Bluetooth and USB connection Please note: TempU06 does not have an external temperature probe, Bluetooth, or flight mode. This product is mainly used to monitor and record temperature data of food, medicine, chemical products, etc. during storage and portation. It is widely used in various links of the cold chain of warehousing and logistics, such as refrigerated containers, refrigerated trucks, refrigerated distribution boxes, refrigerated laboratories, etc. Data reading and parameter configuration are achieved through Bluetooth; reports can be easily generated automatically through the USB interface, and no driver needs to be installed when plugged into the computer. Measurement range: TempU06: -80 -70 ; TempU06L100: -100-80; TempU06L200: -200-80; Accuracy: Average value 0.5 (-40--20/40-80) Average value 1.0 (-60--40/80-120) TempU06/L100/L200: 0.5 Sensor: External NTC thermistor Data capacity: 32000 Start mode: button or timer start Recording interval: user configurable (10 seconds-18 hours) Alarm range: user configurable, 2 upper limits, 2 lower limits Alarm type: single type, cumulative type Enable delay: user configurable (0-254 minutes) Report format: PDF and CSV format data report Interface: USB 2.0 interface, wireless interface (BLE4.2) Protection level: IP65 Colour:Black Material:ABS Package Contents: 1 x Bluetooth temperature logger 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.