1.Super Bright Hunting Green Pen , you can see the rail even in mid-day. The output is far more than 5mw. You can use it for pointing out constellations and where astronomical objects are in the sky at public observing sessions. 2. it can bring you or your pet interesting play. With this cat laser light, you can just sit on sofa and interact with your cat and dog without running here and there. 3.Safe Child Lock Green Pointer - Rotate the switch to the red or green point to turn off or turn on the pointer anytime, anywhere.When you don't carry a pen, you don't have to worry about being taken by your child. 4.High-quality portable can always be with you for work or play. You can use 18650 or 16340 rechargeable lithium battery in our hunting rifle scope pen. (1*18650 battery included). 5.Green Pointer Set includeds - 1 x high power green + 1 x 18650 battery + 1 x charger + 2 x keys. If you are a wild fan, this flashlight will make it easier to find and easily rescued when you are calling for help.