The handheld UV analyzer provides flexible light source options of single wavelength (365 nm or 254 nm) or dual wavelength (365 nm/254 nm).It is designed for efficient excitation of nucleic acid fluorescent dyes and capture of their emission signals. It is widely used in the detection of fluorescently labeled nucleic acids in the fields of molecular biology, biochemistry, medical research, forensic pathology and quality control of biological preparations.