Downloadable computer application software for mobile phones, namely, software for providing information about kettles, portable drinking fountains; Electrical leak detection hardware and recorded operating software sold as a unit; Water testing instrumentation for monitoring and detecting contamination; Downloadable computer software for managing and tracking water use; Flow switches for monitoring and controlling the flow of gases or liquids; Downloadable computer software to monitor and control PH and solid levels for water quality for Ice machine; Leak detectors for vacuum pumps and airtight containers; Electrical leak detection hardware with embedded operating system software; Downloadable computer e-commerce software to allow users to perform electronic business transactions of water purification-related products via a global computer network; Downloadable computer programs for providing information on after-sales service about kettles, portable drinking fountains; Downloadable mobile applications for providing information on after-sales service about kettles, portable drinking fountains