Electric Eraser Kit: This kit comes with 42 large and 50 small refills, ensuring long-lasting use. One-Touch Operation: Erase marks with the simple push of a button. Dual Eraser Design: Includes 2 eraser holders for φ2.3mm and φ5mm erasers. Use the larger size for broad highlights and the smaller size for erasing fine details like hair – perfect for artists and professionals. Comfortable Grip: Designed with a rounded shape instead of a bulky rectangle for a more comfortable hold. Powerful Erasing: Circular movement and a powerful motor allow you to erase targeted areas efficiently and precisely. Battery-Powered: Powered by 2 AAA batteries (not included), this electric eraser frees your hands for drawing and painting. Professional-Grade: Ideal for work, drawing, and learning. Perfect for artists, students, teachers, kids, and adults – easy to use for everyone. Battery Installation: 1. Press the battery cover at the arrow mark. 2. Insert 2 AAA batteries according to the positive and negative markings. 3. Close the battery cover. Operation: 1. Press the button to start the eraser rotating. 2. Move back and forth to remove unwanted marks. Eraser Replacement: 1. When the eraser runs out, pull out the eraser holder. 2. Extend the eraser about 3mm. 3. Return to the original position for reuse. Electric Eraser Details: Package Includes: 1 x Electric Eraser 42 x 5mm Eraser Refills 50 x 2.3mm Eraser Refills Specification: Material: Plastic Color: Black Weight: 80 grams Size: 223 x 96 x 18 mm Warning: 1. Avoid putting parts in your mouth. 2. Requires 2 AAA batteries (not included). 3. For long-term storage, remove the batteries when not in use. Slim Pen Design: This eraser features a comfortable, rounded shape for easy handling. Two Eraser Sizes: Larger (φ5mm) and smaller (φ2.3mm) options for various erasing needs. Complete Electric Eraser Kit: Comes with 42 larger (Ø 5mm) and 50 smaller (Ø 2.3mm) refills for extended use.