1.Dental X-Ray Unit Advanced x-ray technology, 2.Microprocessor-controlled. 3.Touched button ... : 1.use the intemational advances technoiogy,high-eficency,clear imaging loe leak radial,is only 1%of national standard2.light ... all direction4.it is for the use of the digital imaging systom of mouthSPECIFICATIONS: Power supply: AC220v 10%, 50Hz, 1kva ... size: 0.8mmCE Certified CE certified Dental X-Ray Unit