Check the listing for details. Adjustable Focus 450nm Blue Laser Pointer Visible Beam Light Charer & Batteries. Condition: New. Listed at 53.83 USD. Store CategoriesStore CategoriesAU WarehouseOutdoor knifeKitchen chef knifeUS WarehouseKitchen chef knifeLaser pointer450nm Blue laser pointer520nm Green laser pointer650nm Red laser pointer405nm Purple laser pointerOtherAdjustable Focus 450nm Blue Laser Pointer Visible Beam Light Charer & Batteries Product Description Laser Pointer Pen Features: It is used to point at any desired target on projection screen, video, etc. It can be used for presentation, teaching indicator, etc. Across the sky, leading you to find the stars in the clear nights. Lightweight, suitable for putting in your pocket or handbags, easy and convenient to bring. This high quality laser pointer adopts the latest technology optics and microelectronics. USE NOTE: 1: The laser IS bright! Even in normal temperatures and daylight it is recommended to limit it to 50 seconds or less per use to avoid heat buildup. 2. The use of the laser beam is absolutely does not allow the irradiation of the eye in front of humans and animals! 3. Remove the batteries when not in use, put the child is not easy to get a place! 4. If you find that the brightness of the laser beam is seriously reduced Please note that to charge the battery. Batteries installation ： ( Please make sure the batteries " + " toward the inside of laser pointer ) Description * Brand : Shadowlasers * Model No: LMGBH3(Bule Laser Pointer) * Body color: dark gray * Net weight: 200g * Body material: aeromagnetic aluminum * Switch: constant on/off button * Focus mode: adjustable focus * Expected lifetime: > 8000 hours * Working time: > 1 hour * Battery: 1 * 21700 Rechargeable Li batteries * Laser range: 1000-5000 meters * Max brightness: > 350lm * Dimension：φ25*190mm * Wave length：450nm * Output power：< 1mw * Circuit control：APC * Flare forms：plaque-forming - circle * Beam style：continuous line * Spot size：6M place