Telescopic Teacher Pointer, Teaching Pointer, Expandable whiteboard Pointer, with capacitive Screen Handwriting Function, Teacher Coach Presenter Pointer, Extended to 39 inches (Black) Black Color:Black with wide range of over-current

with wide range of over-current control

it's corrosion- resistant

100% SAFE: Hard quality EVA material is Semi-waterproof

You just need to press the two PUSH buttons and change the direction to install

Telescopic Teacher Pointer, Teaching Pointer, Expandable whiteboard Pointer, with capacitive Screen Handwriting Function, Teacher Coach Presenter Pointer, Extended to 39 inches (Black) Black Color:Black with wide range of over-currentTelescopic Teacher Pointer, Teaching Pointer, Expandable whiteboard Pointer, with capacitive Screen Handwriting Function, Teacher Coach Presenter Pointer, Extended to 39 inches (Black) Color: Black + Orange Size: 39. 37'' Features: 7 axis design, each part is tightly integrated, stable and jitter free, flexible. Robust groove design for stability and reliability. No stretching or shaking during use. Does not hurt the contacts of the screen. The handle