YL-1913D USB Rechargable Green Laser Pointer Pen Powerful PW

YL-1913D USB Rechargable Green Laser Pointer Pen Powerful Laser Page Pen with COB Highlight Side Lights WaterproofOffice Meeting Field Guide Various Spin Patterns Yuk, Semua Produk tersedia Pre-Order karena pengiriman dari Luar Negeri gt; gt; Sudah Termasuk Biaya Bea Cukai Estimasi 10-15 Hari Sampai ke Alamat Pembeli Garansi Uang kembali apabila barang Rusak Selamat Berbelanja :) Precautions 1. The laser beam is not allowed to irradiate the eyes of people and animals; 2. It is recommended not to keep the laser on for more than 60 seconds, otherwise it will affect the use of the laser due to overheating; 3. When not in use, please place it out of the reach of children; 4. If you find that the brightness of the laser beam is significantly reduced, please pay attention to charging. Charging when there is no electricity will cause the built-in lithium battery to fail to store electricity; Teachers, professors Used for classroom teaching, so that you can easily #39;point to the blackboard #39; from a hundred meters away. It is the right assistant of teachers! The laser power for this purpose is generally less than 20mw. Business people, white-collar workers ------Used for product demonstrations and lectures. The green laser gives people a refreshing feeling. The laser power for this purpose is generally higher than 20mw. Conference speaker, museum/exhibition venue/scenic spot commentator Facing the big, high and far goal of #39;hard to reach #39;. The laser power for this purpose is generally between 20mw and 50mw. Field travelers, explorers --Used for field lighting, indicating distant targets and sending distress signals. The characteristics of the new product are: it does not affect product performance in extremely cold and hot environments; it has the functions of waterproof, moisture-proof, sweat-absorbing, water-absorbing, and abrasion SKU-1853970