It is a multi-functional and intelligent temperature and humidity logger. When the data exceed the limits， it will give an alarm.

Features:
Simultaneously measure and automatically record temperature and humidity.
With software DGraph， you can set upper and lower limits， analyze and download the data.
When the data exceed the limits， it will give an alarm.
With high sensitivity detector to pick up temperature and humidity with quick response and high precision.
With a USB interface， it can directly connect with PC.

Specifications:
Humidity Measurement: 0-100%RH
Typical Error: ±3%RH
Accuracy: 0.1%RH
Temperature Measurement: -35 - +80°C / -31 - +176°F
Typical Error: ±0.3°C / ±0.5°F
Accuracy: 0.1°C / 0.2°F
Sensor Location: Internal
Storage Capacity: 32，000
Battery Type: CR2032 (not included)  
Item Size: 9.5 * 4 * 1cm / 3.7 * 1.6 * 0.4in
Item Weight: 48g / 1.7oz
Package Size: 11.5 * 9.5 * 5cm / 4.5 * 3.7 * 2in
Package Weight: 85g / 3oz

Package List:
1 * Temperature and Humidity Logger
1 * CD
1 * Bag of Accessories