... options for receiver: Rs232, PS/2 or USB.Battery is detachable, easy to replace or rechargeSpecification ... distanceMax. 300mInterfaces Supported:RS232, PS/2 or USB.Receiver voltageDC 5VBattery Type:1800mA Lithium ion batteryWorking ... POS, auto ID, RF ID, barcode data terminal, CCD barcode scanner / reader, laser barcode scanner / reader, 1d barcode scanner, 2d barcode scanner, handheld, desktop ...