Features: Erasing cleanly, fast and precisely. You can change the eraser refill freely by yourself. Suitable for painting, architectural drawing, art creation. Erases on paper with very light pressure, without scratching or tearing. All replacement refill using natural white rubber, healthy and environmentally friendly. Easy to replace the refill, efficient electric eraser can help you quickly wipe away the extra pattern, more efficient.Specification:Brand: TenwinModel: 8306Type: Electric eraserMaterial: Plastic+RubberPower supply: 2 AAA battery(NOT included)Package included:1 x Electric Eraser (battery NOT included)1 x Eraser Refills Kit