Typically, a barcode scanner box includes:

1. Barcode Scanner Device
   (Handheld / wired / wireless / 2D / laser / CCD)
2. Connection Cable
   • USB (most common)
   • RS232 / PS2 (older systems)
3. Stand / Holder (optional)
   For hands-free scanning
4. User Manual / Quick Start Guide
5. Driver CD / QR setup sheet (sometimes)
6. Power Adapter (for RS232 or some wireless models)
7. Battery (for wireless scanners)
8. Bluetooth / USB Dongle (for wireless models)

🔧 Internal Components (if you meant technical parts)

• Light source (Laser / LED)
• Sensor (CCD / CMOS)
• Decoder board
• Trigger switch
• Lens
• Processor
• Interface module (USB/Bluetooth)