Integrated Feature: WiFi 802.11b/g, BLE Master Chip: ESP32-DROOM Power monitoring range: 5-20V/0-6A Power supply range: 5V Display: 2.8 inch 240x320 Smart Display ESP Marauder device comes with pre-installed software and includes various tools for educational purposes. It is designed for learning about wireless network security, personal experimentation, and understanding vulnerabilities and prevention methods. Intended for use in private environments with proper authorization. Includes stylus, USB cable, and additional connecting cable. Notice: 1. This product is the ESP32 Marauder. It contains an NMMiner license; users may flash it to NMMiner firmware (free) by selecting device: esp32-2432s028r-st7789. 2. Micro-SD card is not included but may be required for certain functionalities. 3. For operation videos or project details, please refer to available online resources. If your device includes GNSS functionality, GPS data and NMEA stream can be viewed under Device options. Memory Built-in: 520KB Device management: NMController Operating temperature: -20°C to 70°C Note: This version does not include GPS Color: As shown Material: PCB + Acrylic Package Contents: 1 x ESP32 Marauder Only the above items are included; other accessories are not part of the package. Note: Lighting effects and display differences may cause slight variations between the product color in images and actual item. Measurement tolerance: +/- 1-3 cm.