HS1504 Hand Spectroscope is a compact and portable optical extensively utilized for analyzing the spectral characteristics of light. The instrument has a prism or tube with a viewing eyepiece at one and a narrow slit at the other. Whenever light goes through the slit, it is dispersed into its component wavelengths by a prism inside the spectroscope. By seeing through the eyepiece, operators observe the range of the light source, which appears as many coloured bands or lines. It is mostly utilized in chemistry, astronomy, and physics for identifying elements, analyzing the blend of materials, and studying the properties of light. Further, the HS1504 Hand Spectroscope is valuable tool for scientific investigations and qualitative analysis requiring spectral observations.