Chemical Safety: Our handheld gem spectroscope is free from high-concern chemicals, ensuring a safe and environmentally friendly tool for gemstone testing. This commitment to safety helps protect both the user and the environment from harmful substances. and Quality Assurance: Crafted with in , this gemological tool is designed for both amateur and professional jewelers. It ensures accurate identification and analysis of gemstones, enhancing reliability in gem testing. Battery Usage: Please note that this gemological spectroscope does not come with a battery included. Users need to provide their own battery, which allows for flexibility in choosing high-quality and long-lasting battery to suit their needs., Weight: 0.0771617917 pounds, Manufacturer: UieoKakeh