... operation sense 3.service life of button reaches up to 50 millions Scanner ST-SW410 1.Error rate less than 1/8 ... design 6.suiting with each kind of charge machine Scanner ST-SW410 voltageDC5V 50mApower output0.25Wlight650nm Visible lasser diodescanning modeManual, ... AutomaticAlarm ModeLED light,AutomaticDecode typeUPC-A,UPC-E,EAN-13/JAN-13,ENA-8/JAN- ...