Key benefits Efficient automatic watering: The telescopic nozzle rises and sprays only when water pressure is sufficient, delivering targeted irrigation without electricity or extra controls. coverage: A wide adjustable spray angle (25°–360°) lets you match water distribution to lawn shapes and plant layouts, reducing overspray and water waste. Built for outdoor use: Constructed from PP (polypropylene) for corrosion and weather resistance, offering reliable performance in standard irrigation environments. Simple integration: Designed to fit existing underground systems via a 4inch internal thread interface for fast installation and dependable connection. Main features Automatic telescopic design: Extends automatically with water pressure to provide aboveground spray; compatible with standard underground sprinkler setups. 25°–360° adjustable spray: Precise, stepless adjustment lets you set sector spray patterns or fullcircle coverage to meet different landscape needs. Durable PP construction: Lightweight, UV and chemicalresistant material suitable for exposure to soil moisture and outdoor conditions. 4inch internal thread interface: Standard connection size for direct attachment to common underground water supply pipes. Typical applications Residential lawns: Evenly water front and back yards with adjustable spray angles to avoid sidewalks, driveways, and flowerbeds. Small commercial landscapes and community green spaces: Provide consistent irrigation for turf and planted areas without adding electrical controls. Garden beds and perimeter planting: Use partialarc settings (25°–180°) to target irrigation to planting zones while conserving water. Installation and operation Connect directly to the water supply pipe using the 4inch internal thread interface. Adjust the spray angle between 25° and 360° to match the area you need to water. No electrical power or additional controllers are required; the nozzle operates automatically based on system water pressure. Specifications (key points) Function: Automatic telescopic underground sprinkler nozzle Spray angle: Adjustable from 25° to 360° Material: PP (polypropylene) Connection: 4inch internal thread Application: Designed for integration into underground irrigation systems This product provides a straightforward, durable solution for precise underground irrigation where reliable, adjustable spray and easy compatibility are required.