quality material: made of high strength ABS plastic, the switch area is covered with soft plastic material, high quality, low temperature and high temperature resistant, durable.Single head quick connector: The quick connector is suitable for 1/2 inch DN15 hoses (16mm outer diameter), designed for the installation of male end connectors (16mm outer diameter), which can be firmly connected in seconds and can be removed by simply pulling off the valve body.Easy to use: it allows quick connection of 16mm quick connectors, 1/2", 3/8", 1/4" or 3/4" connectors, which facilitates control of the extension hose, separate switch design to control the flow of water through the extension hose, easy water switching, matching with hozelock.Versatile: can be used for public green spaces, home gardening, agricultural production, gardening and horticultural production, household car washing, pet cleaning.The set includes: 2 Male and Female valves with on/off switch, spare sealing gasket. If you have any questions, please contact us and we will provide a complete after-sales service.