聪明的电子黑板擦

General This kind vacuum board eraser creates a better environment for teachers and students. Significantly reduce the dust discharge and eliminate dust pollution. It is good for health of teachers and students, and can protect audio-visual equipment. This product features lightweight, compact design, good vacuum effect, has low noise,long life, low power consumption, economical and integrates erasing, dust-absorbing and dust-collecting. It can completely overcome dust discharge and protect the health of teachers and students, is green education products that improves teaching environment. CXX101 parameters modelCXX101 offcenter deafen multi-filter beds attract powder eraser machinenoise50db (1.5 centimeters distances measured)voltage220Vvacuumming rate99%frequency50HZservice life300helectrical machinery power300Wgross weight5.5kgvacuum degree>9Kpaoutlook size433*243*437mm