The Green laser pointer is a kind of laser pointer. It is often called a "finger star pointer". The internal semiconductor laser is a kind of LED. The front end is equipped with an optical lens for focusing. For astronomy enthusiasts, it is a commonly used auxiliary in astronomical stargazing. Utensils. The effect of astronomical observation is greatly affected by external factors. It takes at least half an hour for a normal person to fully adapt to the darkness in the dark, so that the pupils are opened to the maximum, and the amount of light transmitted by the human eye is increased to achieve the best state. In the process of astronomical stargazing, observers often look for star maps while looking for stars. At this time, a red flashlight is needed to reduce the apparent decrease in pupil size due to external light sources and save the time for pupils to adapt to the dark environment.
The rechargeable finger star pen with a red light flashlight combines the traditional rechargeable finger star pen and the red light flashlight into one. It has the characteristics of simple and compact structure, simple and beautiful appearance, practical functions, simple operation and convenient carrying. Different from ordinary green laser pointers, it is characterized in that it includes a hollow shell, and the shell is provided with a finger star pen lamp cap, a laser module, a power circuit board, a lithium battery, and a red LED lamp cap. The pen lamp cap and the red LED lamp cap are fixedly installed at both ends of the housing respectively, the laser module is fixedly arranged on the mounting frame in the housing, and the LED emitting end of the laser module is aligned with the light transmission of the star pen lamp cap The laser module, the lithium battery and the red light LED lamp holder are all electrically connected to the power circuit board, the outer side wall of the casing is provided with a switch button and a DC-DC charging interface, and a connection terminal of the switch button They are respectively electrically connected to the laser module and the red LED lamp holder, and the other terminal of the switch button and the DCDC charging interface are electrically connected to the power circuit board. The rechargeable green laser pointer is very convenient to use and will not affect the accuracy of the operation.