Welcome to our website. We provide quality devices for detection of resistance of your machines. None of the products is not intended for use and activities that could be contrary to the law! Products on this page are from several manufacturers or dealers. Please keep in mind that for any damage to property corresponds to the device holder, not the seller. Therefore please before buy such device to inform the possible use in your country. This site is an advertising character and can also be placed products of different manufacturers and retailers. In the case of a complaint, or warranty service, you send the products directly to the manufacturer for replacement or repair.