This is Green Powerful Laser Pen Pointer Beam Light 5mW.
Light weight and handy design, it is very convenient to put in bags or pockets
You can use this laser pen point to the target instead of hands
Use your laser pointer to point at any desired targets on projection screens,
video monitors, and presentation graphics
Useful kit for handy torch, office/school presentation, etc
Output power: Max 5mW
Output wavelength 650 nm
Press button for ON/OFF
Powered by AAA 1.5V x 2 Alkaline Batteries (not included)