... -fidelity speakersoptionalReduce the mistake and fatigue of operator.high-lumen LED flashlightoptionalOperate in dim light environment or night time effectively.high ... / 35° ± 3° reduced; scanning system: UPC/EAN, Code 128, UCC.EAN128, RSS Code 39, Code 93, I 2 of 5, Discrete 2 of ... 5, Coda bar, MSI; scanning distance: 2.5cm-1 ...