���� �_��·��dt-2339�l�W�x��dt2339����yʽ�l�W�x�_��·��dt-2339�l�W�x�a(ch��n)Ʒ���c(di��n)��stroboscope, xenon, ac power or battery powermodel : dt-2339* stroboscope use high intensity xenon tube.* lcd display with back light.* stroboscope range : 100 to 15,000 rpm.* external trigger for stroboscope.