Zircon multiscanner i700 onestep with marker zircon 62134 zircon s multiscanner i700 onestep wall scanner is the world s most sophisticated yet simple scanning tool it quickly and accurately locates studs joists metal and hot electrical wire zircon exclusive centervision technology finds the centre of studs with just one pass and an ultra bright lcd screen indicates direction edge and centre of studs an innovative floating head provides smooth contact for accuracy on uneven sur