Features: Aerometal body,durable and corrosion resistance It emits an intense,brilliant laser beam,Use your Laser Pointer to aim at any desired targets on projection screens,video monitors,presentation. Laser pointer Utilization of the latest crystal technology and optics produces this high quality;pen-sized laser pointer. Note: 1. This laser is of high power so it will run out of battery quickly. 2. Do not keep the laser on continuously for more than 20 seconds or it could burn from the inside. 3. Never shine the laser beam into, or even near, the eyes of humans or animals. This could cause blindness. 3. Children should use the laser beam under adult supervision only. Remove the batteries when not in use and store in an out-of-way place to prevent unsupervised use by children. 4. If you find that the brightness of the laser beam is reduced, please charge or replace battery. Specifications: Wavelength: 532nm. Beam style: Continuous line. Spot size: 6M place