Areyourshop High Power Green Laser Pointer 532nm 900 Miles Range, Rechargeable Laser Pen With Safety Lock & Focus Adjustable, Aviation Aluminum Alloy Laser Torch For Presentation, Teaching, Astronomy

Rechargeable 900Miles Green Laser Pointer Lazer Pen 532nm Feature: 1: Made of aviation aluminum alloy, strong and durable; 2: Power saving, lightweight, suitable for putting in your pocket or handbags. 3: Front switch, press to power on, release to power off, easy to use; 4: This laser pointer can be used for presentation, teaching indicator, children amusement and more. 5: Built-in laser module to improve heat dissipation, circuit board collection and protection design. 6: This high quality laser pointer adopts the latest technology optics and microelectronics. 7: With a child safety lock, when not in use, you can turn the switch key to the red dot and pull it out to disconnect the power Specifics: Condition: 100% Brand New Material: Hard Aluminum Surface Treatment: Anodized Black Switch Mode: Touch Switch Battery: 18650 Rechargeable Battery (Not included) Working voltage: DC3.7V with key protection Wavelength: 532nm Range: 8000 meters Focus mode:Adjustable Note: 1.Please allow 1-3mm difference due to manual measurement. 2.Never point at people and always avoid direct eye contact. Please keep out of reach of children . Package Included: 1x Green Laser Pointer Pen(Not Include Battery) How to Use: 1.This laser pen is not included 18650 battery and charger. 2.Install yourself 18650 battery into the laser.Put the negative pole (cathode) into the laser first,that means leave the positive pole (anode) touching the end cap. 3.Install the end cap. Use the key to make sure it points to green. 4.After installing the battery and end cap correctly, press the power button to turn the laser on.Be aware of that you need to keep pressing the button to keep the power of it. 5.Rotate the head of the laser to change the focus.The more you rotate, the bigger the focus becomes.