Feature: 1. It is mainly used to monitor the temperature and humidity data of food, medicine, chemical products and other products during storage and transportation. 2. This product is a USB Ethernet type temperature and humidity recorder with large-screen liquid crystal display. It is easy to use, easy to operate and practical. 3. ±0.2℃ high-precision probe, stable signal and high sensitivity. The probe has internal calibration function and is GSP compliant. 4. Built-in storage function, can record 260,000 temperature and humidity data, can expand up to 2.08 million data, record interval can be set from 5s to 18h. 5. It can be powered by battery (battery not included) or powered by data cable to effectively extend the life of the temperature and humidity recorder. 6. Built-in buzzer alarm, can set the upper and lower limits of temperature and humidity alarm. When the up arrow ↑ is displayed on the interface, it indicates an over upper limit alarm; when the down arrow ↓ is displayed on the interface, it indicates an over lower limit alarm. 7. Automatically upload data, 10,000 data can be transmitted in 0.1s, and reports are automatically generated, which is easy and convenient to operate. Specification: Condition: 100% Brand New Item Type: Temperature and Humidity Recorder Material: ABS v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} x\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} DC Power Supply USB5V or Lithium Battery, 2 x AA Batteries (Not Included) Recording Capacity 260,000 sets Record Interval 5 seconds - 18 hours can be set Humidity Resolution 0.1%RH Long-term Humidity Stability ≤1%/Y Long-term Temperature Stability ≤0.1%℃/Y Temperature Range -20℃~60℃ (Built-in) -40℃~80℃ (External) Humidity Range 5-95%RH Temperature Resolution 0.1℃ Temperature Accuracy ±0.2℃ (at 25℃) Humidity Accuracy ±2%RH (at 25℃ 5-95%RH) Product Size: Approx. 120 x 115 x 33 mm / 4.7 x 4.5 x 1.3 in Outer Probe Length: Approx. 31mm / 1.2in Weight: Approx. 370g / 13.1oz Package List: 1 x Temperature and Humidity Recorder1 x USB Cable Note: 1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Do not put the main unit and the probe into the refrigerator and freezer at the same time, which will cause damage to the recorder.