Power Supply: 2 pieces AAA batteries (NOT included).
Suitable for teacher and students.
Both the three-lane light source and the lens have the magnetic base that can be sticked on the iron blackboard, make the experiemnt demonstration more convenient.
Three-lane light source can be adjusted to change the direction of light.
-18%
5pcs Red Light Source Line Projector Diode Module 12mm Diameter 5VDC 650nm
KWD 7
11-18mm Adjustable Stand Clamp Mount for Light Source Diode Module Flashlight or Torch with Magnetic Base
KWD 5.500
Red Line Light Module Projector Locator Generator for Cloth Fabric Stone Mill Woodworks Alignment Focusable Dustproof 18mm
KWD 10.500
-32%
Green Light Cross Module Projector Focusable Locator Generator Placement Position Guide for Heat Press Screen Printing Cloth Fabric Wood Stone Alignment Dia.16mm
KWD 12.500
