TTE35066 Large Screen Digital Temperature Humidity Recorder Probe Monitor with Sound Light Alarm Specification: Condition: 100% Brand New Item Type: Temperature Humidity Recorder Material: Plastic Shell Type: Digital Thermohygrometer Temperature Measurement Accuracy: Within the range of -20 degrees Celsius ~40 degrees Celsius , the accuracy is ?0.5 degrees Celsius ; the rest is ?1 degrees Celsius Humidity Measurement Range: 10%~99% Temperature Measurement Accuracy: ?3%RH (25 degrees Celsius , 20%~90%RH) and the rest is ?5%RH Resolution: Temperature 0.1 degrees Celsius ; Humidity 0.1%RH Recording Capacity: 16000 groups (Maximum) Recording Interval: 10 seconds to 24 hours can be set continuously Data Interface: USB Interface; Power supply: Built-in 3.6v disposable wide temperature lithium battery Battery: 3.6V Lithium Battery Battery Capacity: 2400mAh Type: Built-In BatteryProduct Size: Approx. 118 x 61.5 x 19mm/4.6 x 2.4 x 0.7in Package List: 1 x Temperature Humidity Recorder 1 x USB Data Cable 2 x Temperature Humidity Probe 2 x English Instruction