Mindware MDT3 hand held is a simple wireless scanner,it's as same as the traditional wireless scanners. The user can use this product without any programming. The screen displays the current radio channel, wireless signal strength, and battery level, etc. After scanning the barcode, it transmits the data to the computer by the wireless base station. It has three collection mode: Wireless Scanner Mode, Barcode Collect Mode, Inventory (no names) Mode.We are manufacture of barcode scanner.