The laser pointer has the function of guiding the direction like a compass

Everyone has heard that camping and hiking people get lost in the woods. These stories are often tragic, because search teams have to travel long distances in dense forests and mountains, but they can't find the missing people. More and more campers and hikers are using powerful life-saving handheld lasers. If you get lost in the forest at night and have a powerful laser, you can send a signal to the search team miles away. They see the source of the beam, narrow the search and start moving towards you. If there is a search vehicle in the distance, you can let us know your presence. This is an excellent real-world green laser pen lifesaving app, so be sure to use it the next time you go on a long hike or a week-long camping trip. Various lasers have a key switch locking mechanism that prevents the green laser pointer from being turned on (even if the battery is charged) unless the key is turned on and activated. Now you can remove the key afterwards without using the laser while the key is hanging. This is a good security feature for children and those who don't want unauthorized people to use the key. Laser. For untrained or inexperienced people, the laser may be used in a dangerous or incorrect manner. It can be any simple thing, such as looking down at the opening when opening (dangerous to the eyes), aiming at a friend, or worse (very dangerous and illegal), such as aiming at an aircraft or a car.