Deli Green Laser Sight Laser USB Charge Pointer Light 300mAh 3B laser High Power Device Lazer laser Pen Burning Green Lazer PenDescription 1. Product name: high power laser pointer 2. Product model: DL552001 3. High brightness long range, high power laser pointer. Class 3B laser, kilometer long range, long battery life, aluminum alloy shell 4. The high power laser pointer is not only in shape, but also in practical functions. Scope of application, use in a variety of scenarios, suitable for large scale conference curtain display in a variety of scenarios, on site guidance on