ELECTRIC CALLUS REMOVER FEATURES: MULTIPLE SPEEDS ADJUSTABLE - speed range 0-500rpm, you can quickly choose the right speed, easy to control the speed, remove dead skin easier. NOT BATTERY POWERED -No need to worry about low battery, directly plug the machine into the outlet, you can use it immediately, very convenient. 60 REPLACEABLE SANDPAPER DISCS -Self-adhesive, sticks to the device very firmly and is easy to remove after use.1 person 1 sandpaper, simple and convenient, easy to clean. SAFE ELECTRIC FOOT FILE - Because the speed of the grinder is adjustable, you don't have to worry about hurting healthy skin during use. STYLISH AND DURABLE - Aluminum alloy shell with polished surface finish, looks high-end. The whole electric foot grinder is made of metal, not plastic, so it is very durable. Specification: Rated voltage: DC 12V, rated current: 1A Real output speed: 0-500 rpm Electronic foot file size: 4.56x1.69 inch Electronic foot file weight: 5.99 oz. PLEASE NOTE: The speed range of this foot file is 0-500 rpm, in order to protect our feet, the speed of this machine is not fast, so it will not hurt our feet. PACKAGE LIST: 1 x Electric callus remover ( FCR-1 Silver Gray ) 1 x Box replacement sandpaper discs (60pcs) 1 X User manual 1 x US plug with speed controller Please Note: This machine is only for regular dead skin, not for thick calluses. HOW TO USE ELECTRIC FOOT CALLUS REMOVER MACHINE? Step 1-Soak off Dead Skin Preparation works: we need to soak our foot for 20-30 minutes with warm water, to soften feet dead skin. Step 2-Tear off Back Layer of Sandpaper Disk Tear off the protective film of sandpaper disk. Step 3-Paste Sandpaper Disc on the Machine Paste it on the machine well. Step 4-Plug in and Set Suitable Speed Connect the supply cord and plug into the outlet. Turn on switch and adjust suitable speed you need. Step 5-Remove Dead Skin In the operation, you can apply appropriate pressure, not too much, or the machine will be damaged. Step 6-After Using, Remove Sandpaper Disk After using, change a new sandpaper disk and clean machine with dry cloth. Apply foot cream to care foot. FAQ, TROUBLESHOOTING STEPS What should I do if the machine does not start? Sometimes the adapter is loose or the interface is dirty, please clean and reconnect the machine to solve the problem. What if the metal disk of the machine falls off? Because the disk is removable, if it falls off, tighten it counterclockwise to solve the problem. What should I do if the machine does not rotate during use? Please apply appropriate pressure to the machine, and the machine will rotate normally. To prevent removing too much skin, if too much pressure is applied, the machine will stop rotating. How do I clean the machine? The machine is not waterproof, please do not wash it, we recommend using a damp cloth to clean it.