About this item TLC & Fluorescence Analysis: designed for thin-layer chromatography (TLC) observation and fluorescence detection; enclosed darkroom environment reduces ambient light interference to improve visibility of fluorescent spots and UV absorption spots; suitable for chemical analysis, pharmaceutical research, material studies, and teaching laboratories Dual-Wavelength UV Detection: equipped with 254 nm and 365 nm UV wavelengths; 254 nm suitable for short-wave UV absorption observation, 365 nm for fluorescence excitation analysis; both wavelengths can operate independently or simultaneously for different testing requirements Stable & Uniform UV Illumination: built-in 16 W UV lamp system with optimized reflective structure provides stable and uniform UV illumination, improving observation consistency for weak fluorescence samples and multi-sample analysis Enclosed Safety Design: compared with open UV lamp systems, enclosed observation structure reduces UV leakage risk while maintaining observation performance, providing a safer working environment for laboratory personnel High-Frequency Laboratory Use: modular structure supports routine cleaning and maintenance; easy lamp replacement for long-term, high-frequency laboratory use; suitable for TLC analysis, fluorescence detection, biological research, pharmaceutical development, and material characterization