无线激光笔又称为电子教鞭(英文名为：Laser pointer with remote control), 它是专门为计算机及多媒体投影机设计的一款新型专利电子产品，在欧美等发达国家的使用已经很普遍了, 多媒体教学中无线教鞭的使用已显得越来越有必要，尤其是频繁地用于幻灯片播放。-Wireless Laser Pointer, also known as e-Pointer (English name: Laser pointer with remote control), it is specifically for computer and multimedia projector designed a new patented electronic products, in Europe and the United States and other developed countries has been very common use of the , multi-media teaching the use of wireless pointer has become increasingly necessary, especially frequently used in slide shows.