Meet the Triplett Model HSDL300 Heat Stress WBGT (Wet Bulb Globe Temperature) Meter - your ultimate safeguard against heat-related injuries. Engineered to monitor heat stress in various environments, this device displays Air or Globe Temperature, Humidity, and Wet Bulb Globe Temperature (WBGT) simultaneously. The HSDL300's memory boasts the capacity to store a substantial 12,000 readings. It also features an accessible USB interface, enabling you to transfer the stored readings to your PC in a CSV format. Its color-changing backlight dynamically corresponds with the WBGT value, while its programmable audible and visual WBGT alarm keeps you alert to potential safety concerns. You also get a built-in In/Out function switch for measuring WBGT with or without the influence of direct sunlight. And with the included tripod mount, conducting prolonged measurements is both easy and hands-free. The package also includes (4) AAA batteries and a mini USB cable for immediate operation. Backed by a 1-year warranty, the HSDL300 is your reliable ally in maintaining a safe and productive environment - ideal for managing outdoor athletic training, construction sites, or mining operations.