Description Anti-slip Pads: Four anti-slip pads under the base help prevent the product from sliding or scratching the tabletop, ensuring stable operation. Anti-slip Lock Knob: Designed for easy and quick opening and closing of the barrel cover. Application Suitable for children aged 8 years and above to polish various rocks. How to Use 1. Rotate to unlock the top cover. 2. Use tools to pry open the internal cover. 3. Clean the stones thoroughly and place them in the barrel. 4. Pour an appropriate amount of clean water into the barrel to submerge the stones. 5. Add the appropriate grinding grit according to the polishing stage. 6. Tighten the barrel cover securely to prevent leakage, place the barrel on the polisher, and connect to power. 7. Select the desired polishing time and press the ON/OFF button to begin. Specification Color: White, Black, Grey Material: ABS, Rubber, Stainless Steel Assembly Required: Yes Mounting Type: Tabletop Power Source: Corded Electric Plug Type: EU Standard Recommended Age: 8 years and above Voltage: AC 100-240V Output: 12 V / 1000 mA Timer Settings: 1, 2, or 4 Days Gross Weight: 1.5 kg (3.31 lbs) Net Weight: 1.2 kg (2.65 lbs) Product Dimensions: 15.7 x 20.8 x 17 cm (6.18 x 8.19 x 6.69 in) Base Dimensions: 14.4 x 20.8 cm (5.67 x 8.19 in) Package Dimensions: 26.5 x 21.5 x 11 cm (10.43 x 8.46 x 4.33 in) Package Included 1 x Rock Polisher 1 x Adapter 4 x Bags of Polishing Grits 1 x Bag of Rough Stones 9 x Jewelry Findings 1 x User Manual (English and Chinese) Notes 1. Children should use this product under adult supervision. 2. Read all instructions carefully before use and remain aware of your surroundings. 3. After use, complete all cleanup and store the product out of reach of children. 4. Clean the roller thoroughly before proceeding to the next polishing grit stage. 5. Keep grinding operations away from the eyes. If material enters the eyes, rinse immediately with clean water and seek medical attention if irritation persists. 6. Slight color variations may occur due to lighting conditions. Allow for a 13 cm measurement deviation due to manual measurement. Please ensure you are comfortable with these factors before purchasing.