严重申明：请按照正确的方向（绿光：电池正极朝尾部，负极朝弹簧的位置。红光：电池负极朝尾部，正极朝弹簧的位置）安装电池，否则导致短路，激光笔就会烧坏，造成一切后果由客户承担。严禁装反电池。使用前请仔细阅读说明书。
温馨提示:同样外观的这款笔,有三种光源供选择哦.分别为红色光指示、绿色光指示、蓝紫光指示.展示方式单一指示功能.
光的亮度上：绿光>红光>紫光(黑暗中绿光和红光可以看到得光束.蓝紫光的看不到)

光的点火上：绿光<红光＝蓝紫光（绿光点火柴，红光能点烟）

光的稳定性：绿光<红光＝蓝紫光（绿光受气候影响较大，较冷的环境下使用，需要预热)
Make sure that the battery is installed in the correct direction (green: the battery is facing the rear of the battery, the negative pole toward the spring, the red light: the battery negative toward the tail, the positive pole toward the spring), otherwise the short circuit, the laser pen will burn , Resulting in all the consequences borne by the customer. Do not install the battery. Please read the instructions carefully before use.
   Tips: the same appearance of this pen, there are three kinds of light for the choice of Oh, respectively, red light instructions, green light instructions, blue and purple light instructions. Single display function.
Light intensity: green light> red light> purple (dark green and red light can see the beam. Blue violet light can not see)

Light on the ignition: green <red = blue and purple light (green light match, red light can smoke)

Light stability: green <red = blue violet (green by the climate greater impact, the use of cold environment, need to warm up)