... ensures long working hour;Multiple connectivity options for receiver: Rs232, PS/2 or USB.Battery is detachable ... distanceMax. 300mInterfaces Supported:RS232, PS/2 or USB.Receiver voltageDC 5VBattery Type:1800mA Lithium ion batteryWorking Current85mAMaterialABSDimensions: ... , reader, verifier, gun, ATM, POS, auto ID, RF ID, barcode data terminal, CCD barcode scanner / reader, laser barcode scanner ...