5PCS/LOT EC11 20 Position 360 Degree Rotary Encoder with Built In Push Button Switch and 5 Pin Interface. Long Handle options 15 mm or 20 mm in length, including a 15 mm plum handle variant. This compact encoder provides reliable, convenient control for a wide range of electronic projects and panels. Key Benefits Precise, repeatable control: 20 detents per full turn offering smooth, consistent adjustment for menus, volume, and parameter tuning. Built in push button: integrated switch lets you select or confirm actions without adding a separate component, reducing wiring and panel clutter. Simple wiring and compatibility: standard 5 pin interface compatible with EC11 style encoders, making it easy to substitute or upgrade in existing designs. Flexible mounting options: long handle shaft lengths available to fit varied panel depths, with a plum colored 15 mm handle option for easy identification. Value for multiple builds: sold as a 5piece lot to support multidevice projects, spares, or coworker kits without needing repeat orders. Product Attributes Model and type: EC11 20 Position Rotary Encoder with built In Push Button Switch. Rotation and detents: 360 degree rotation with 20 detents per revolution. Electrical interface: 5pin connection. Push functionality: builtin push button switch included. Handle/shaft options: long handle available in 15 mm or 20 mm lengths; includes a 15 mm plum handle variant. Package quantity: 5 pieces per lot. Color/finish: plum handle option noted for the 15 mm variant. Use cases and applications Audio and home theater equipment: use as a precise volume or menu control with the push button for quick selections. Industrial and lab equipment: adjust machine parameters, navigate configuration menus, and trigger actions with the integrated push switch. DIY electronics and microcontroller projects: ideal for Arduino, Raspberry Pi, or similar platforms to create compact user interfaces with both rotary input and a clickable select action. Arcade or custom control panels: implement smooth, responsive navigation and selection in control panels or simulators. Installation and compatibility notes Designed for EC11 style environments; verify the connector footprint and panel cutout fit before installation. Suitable for projects requiring a compact, integrated rotary control with an onboard push action. The 5pin interface is compatible with common EC11 wiring schemes, facilitating straightforward replacements or upgrades in existing designs. This description reflects the product's brand, specifications, model EC11, and core features, without adding or omitting details.