-Good resisting capacity， safe to use.-Super powerful encoding funtion with high efficiency.-Suitable for business， logistic， medicine， warehouse， etc.-Handheld type laser barcode scanner is with USB which is convinient to use.Specification:Color : BlackDimension: about 16.6 x 9.5 x 6.8 cmPower supply: 5VDC ± 5%Operating current: 100 mA ( 40 mA Standby )Rated reading distance: 2.5mm-600mmScanning width: 18 cmPrompting mode: buzzer or LED indicatorScanning mode: button， auto sensing， automatic continuous scanningButton life: 10 million timesLaser life: 10，000 hoursCommunication Interface : Keyboard RS232 USBPackage include:1 x Scanner1 x Connection cable