What does it mean 4-in-1 ?

RF Wireless Scanner - Read 1D Barcode: UPC, EAN, Code128, Code39, ITF25, Codebar, Code93, MSI etc. Move freely via a wireless adapter without any obstacles.

USB Wired Scanner - Send barcode to PC via USB Cable in real time. Both USB and wireless can send data to PC.

Data Collector - Receive barcode and counts the quantity. Manual input or auto add.

Inventory Counter - Store up to 300,000 barcodes. Collect export and inventory export easily.

Features and Advatges :INTELLIGENT SCREEN MANAGEMENT】6 Sections optional: RF-Gun/USB Gun/Collect/Inventory/Exportset/System. Our barcode scanner is designed with 2.2 inch TFT color LCD screen, you can view barcode content, type, number and length in real time on the screen. In addition, you can monitor the remaining battery power, signal strength and transmission status.【MULTI - FUNCTION】It's a barcode collector and inventory counter combined combined wired scanner with wireless scanner. Supports Instant upload mode & Offline storage mode. Internal offline storage supports up to 100,000 barcodes in offline storage mode. Scan and store barcode when away from the receiver, then update the data to your device when you come back entering the wireless transmission range.