Effective tool for avoiding contamination of instruments once sterilized or autoclaved, Can maintain & preserve instruments for days without any fear of contamination.Door switch interlock prevents emission of UV light as soon as the chamber is opened to avoid any harmful effect on operator,Electronic circuit for instant start of tube Technical Specifications : U.V.Tube 15 W Chamber size 20″x8″x6″ Weight 12.5 KG NO. of rays 12 Door closing mechanism,Magnetic gasket seller Warranty : 1 years on spares