Contains lithium battery for higher capacity and higher quality. Insulated material, high-precision design, strong waterproof. Usage: Suitable for the orchard, restaurant, home. Battery: 12V lithium battery, charging time: about 1 hour, usage time: about 3-4 hours after fully charged; Battery: 2000mAh This scaler is highly waterproof and is guided by an all-copper motor, its steel blade will never rust and harm the fish's skin for prolonged use, saving time and effort, and lightweight to clean High-precision sealed anti-leak bearing, high quality motors. The stainless steel fish scales prevent fish scales from splashing. Power: 56W, Motor Speed: 6800RPM New design, electric, bid farewell to the traditional manual scaling, fast and efficient, save time and effort. Super Fast Fish Scale Scraper: Specially used by the fish market or at home for fish scales that scale and remove quickly. Steel barbed wire blade is used for scraping the scales of carp, crucian carp, grass carp and other species of fish. Insulation material, anti-leakage design, safe and secure use, body wash, clean and convenient powerful motor, powerful performance, fish scales more convenient and user-friendly. Its steel blade will never rust without hurting the fish skin for a long time, saving time and labor, easy to clean for vegetable market, restaurants, home use.