# Overview ## User types In P4 Warehouse there are two completely unique styles of users. 1. **Web Dispatcher**, the web dispatcher uses a computer and a modern web browser to manage the flow in and out of the warehouse. The web dispatcher also controls the workflow of the PDT users. Think of the web dispatches as the control tower at an airport. 2. **Handheld user**, the handheld users are the people out in the warehouse executing the instructions set to them from the Web Dispatcher. These are the people physically receiving Purchase Order and RMA's, picking and shipping outbound orders, Cycle Counting inventory. These users work from a mobile device typically with a barcode scanner. You will need a good amount warehouse / WMS experience to use this document, contact your P4 Warehouse sales partner if you run into subjects, you do not fully understand. ## Android Android Nougat and above will function with the P4 Warehouse System, P4W Handheld can be downloaded to an Android device from It is recommended the Android device has a built-in barcode scanner, hardware from Zebra Technologies works best as the P4 Warehouse WMS is validated by Zebra to function correctly on their Android Mobile Computers. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.p4warehouse.com/v2/quick-start-guide/overview.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.