Features 1、With storage/computer communication software, it can generate curves/export table data/print export data. 2、Mini and compact design, it is portable and lightweight, and can be easily held for measurement in various situations. 3、Equipped with a fixed bracket/waterproof transparent set/screw, it has complete accessories and is easy to install. 4、Settable temperature alarm value, you can ensure safety by setting its upper and lower limits. Once the setting range is exceeded, the LED light will flash to warn you. 5、Built-in PC analysis software, it is convenient for you to perform various operations on the instrument, and it is simple and easy to use. Specifications Item Type: Temperature and Humidity Recorder Temperature Range: -30-80°C Response Time: 5-30S Accuracy: ±0.5℃ Material: Plastic Weight: Approx. 159g / 5.6oz Product Size: Approx. 12.2x2.7cm / 4.8x1.1in Recording Capacity: 61440 Records Battery: 1xAA 3.6V Lithium Battery (Battery Not Included) Function: Highly Sensitive Sensor, High Accuracy, Alarm Setting Function, Data Storage Function, Analysis Software, Low Power Consumption, Maximum/Minimum Function. Package List 1 x Humidity Detector (Battery Not Included) 1 x English Manual 1 x CD 1 x Bracket 2 x Screw