Model: DTD-575 Light source DTD series of light-type dysprosium lamp, is a single-ended compact cold light source gold and metal discharge lamps. It has the characteristics of small size, compact structure and high luminous efficiency. Optical lens selection of foreign imports with a perfect short focal length thread lenses. Provides ultra-smooth operation, the widest beam angle range. The tuning system is made of mechanical process, with perfect interchangeability, corrosion-resistant aluminum alloy structure, light and durable.