The General Tools UV254SD is a UVA-UVC light meter equipped with an Excel-formatted data logging SD card. This device is essential for measuring UV radiation levels in various applications, including environmental monitoring and safety assessments. The meter features a user-friendly interface and a clear display for easy reading. With its data logging capability, users can track UV exposure over time, making it ideal for research and compliance purposes. The UV254SD is a reliable tool for professionals in fields such as agriculture, health, and safety.