Material: Copper + Aluminum <br> Product size: 14 × 155mm <br> Item color: Black <br> Beam style: Continuous line. <br> Light color: Red, Green, Blue-Violet light  <br> Light style: One light beam (single dot) <br> Output wavelength: Red: 650nm, Green: 532nm, Blue Violet: 405nm <br> Output power: 5MW <br> Laser range: Red: 500 meters, Green: 500-1000 meters, Blue Violet: 10-100 meters <br> Power supply: 2 x AAA battery (not included) <br> Operating voltage: DC = 3.0V <br> Operating current: <350mA <br> Kindly Note: <br> 1. Please don\'t shoot the light directly to eyes of human or animal. <br> 2. Please remove the batteries when you don\'t use it, and keep it away from child. <br> 3. We suggest the continuous illumining use should be less than 1 minute, in case of the excessive heat influence the service life. <br> 4. If you find that the brightness of the laser beam is seriously reduced, please note that to charge the battery or replace battery. <br> Package Included: <br> 3x Laser Pointer (battery not included) <br> Notes: <br> 1. Measurement of the item lying on the table may cause slight difference. <br> 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness when photo taking. <br> Thank you for your understanding! <br>