The BESANTEK BST-DL115 Wireless Temperature and Humidity Data Logger with External Probe can be widely applied to laboratory settings, medical applications, the food and pharmaceutical industries, industrial applications, environmental protection areas, and agricultural research fields. The logger features an adaptive and highly sensitive sensor with fast response and high accuracy. It uses Zigbee 2.4GHz wireless technology and has a transmission range (line of sight) of up to 100 meters. The logger's memory can be automatically downloaded to a PC, allowing for real time monitoring on a computer.