Size: 12.5*2.8*2.3 CM lightweight and portable,easy to carry.
Circular movement and strong motor allow you to erase targeted areas effectively and precisely.
Long press the button then move in the place where you want to erase, then move away your finger after finished erase, it will stop working.
[20 eraser refills are included] Battery-powered Eraser
requires 2 AAA batteries (not included).
Size: 12.5*2.8*2.3 CM
Material: ABS plastic
Color: Grey, Blue colors can be chose
OHF Electric Eraser Automatic Eraser Portable Rubber Pencil Electric Eraser For Painting Writing Sketching School Office Supplies Eraser Pencil - B07BFWMG6F