The DCL1530 is a small and lightweight data collector with a USB interface. This device is equipped with a real-time clock enabling each record to be tagged with a date and time stamp. Apart from that, it has a three button keypad and a 512 kB memory. After scanning a barcode with a speed of 100 scans per second, the collected data is stored on the on-board memory automatically. The LCD display allows easy readability of as many as 10 lines of information providing the user inside in the scanning process.The DCL1531 is a small and lightweight data collector with a USB interface. This device is equipped with a real-time clock enabling each record to be tagged with a date and time stamp. The alphanumeric keypad provides easy data entry which can be stored on the on-board memory. Communication occurs via a USB and IrDA interface. The IrDA interface permits cable free portability. The AAA alkaline batteries enable easy replacement at any location.