Specification Available Ship to:United StatesDetails Instruction 100% brand new high quality and perfect design. Actual photo shown,Simple and easy to use. Use your laser pointer to point at any desired targets on projection screen, video. Across the sky,allowing you to find the stars in the fan days you want the stars,is the leader in the vast sky. Power saving, lightweight, suitable for putting in your pocket or handbags. This laser pointer can be used for presentation, teaching indicator, children amusement and more. This high quality laser pointer adopts the latest technology optics and microelectronics. How to use 1.Take out of the little plastic which is isolation if the battery was installed into of the laser. 2.Charge the battery first for 3-4 hours. The indicator of charger blinks red and green or just blinks red when the battery is in charge. The indicator of charger turns to green when the battery is in full charge. 3.Install the battery in the laser. Put the negative pole (cathode) into the laser first, that means leave the positive pole (anode) touching the end cap. 4.After installing the battery and end cap correctly, press the power button to turn the laser on.  5.Rotate the first head of the laser to change the pattern. 6.Take off the first head to get single beam. Specifications Color:Green Power supply:1 x  Battery(Included) Body material: Aerometal Wavelength: 532nm. Power:1 mW Beam style:Continuous line Spot size:6M place <φ10mm.> Working voltage:DC=3.0-3.7V. Preheat time: < 3seconds. Working temperature: +15℃～＋35℃. Storage temperature: -10℃～+40℃.   Package Includes 1 / 2 x Green Laser Pen 1 / 2 x  Battery 1 / 2 x Smart Charger