Features:_x000D_High-quality material: Made of aviation aluminum alloy, strong and durable, not easy to break, and can be used for a long time;_x000D_Children Safety: The flashlight comes with a children safety lock. When not in use, you can turn the switch key to the red-dot and pull it out to disconnect the power supply;_x000D_Easy to use: Onoff button, power lock protection key and anti-slip handle ensure stable holding, adjustables-focus, easy to use_x000D_Exquisite workmanship: This lasers pen has exquisite workmanship and excellent material, which can bring you a good use experience._x000D_MULTIPLE USES: This lasers pointer can be used for presentations, teaching instructions, children's entertainment and more._x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ Material: aluminum alloy_x000D_Size: about 15.8*2.2 cm6.22*0.86 inches_x000D_Wavelength: 532nm_x000D_Power: 100mW_x000D_Battery: 1*CR123 battery not includedPackage List:_x000D_1 x Lasers Pen