Product Advantage: Unique trigger design, very comfortable operation sense. Fast and accurate in reading all 1D codes. Programmed to better read incomplete and fuzzy codes. Service life of button reaches up to 5 millions times Supporting keyboards of over 20 countries and regions. 360°all direction-adjustable stainless steel cradle.(optional) Full quakeproof, waterproof, dustproof, antiknock-design and EMI Shielding; Suitable with each kind of industrial environment. - See more at: http://www.bestbarcodescan.com/product-detail/rd-2019-wired-laser-barcode-scanner-2/#sthash.w82UhMXp.dpuf