Battery Operated Electric Eraser with colorful eraser refillsFeatures: Electric erasing, decontamination, not easy to damage paper. Electric motor inside, easy to use, low noise. Selection of rubber heads, soft texture. Small and easy to carry, soft and moderate, less rubber scraps. Practical and comfortable. Specification: Material: ABS + Strong magnetic motor 12000 rev min + high quality rubber core Size: 11*3cm 4. 3*1. 2inGross weight: 55gColor: Random delivery Power supply mode: 2 X AAA batteries (not