Maybe this 2ND GENERATION CALLUS SHAVER is a powerful electric foot file designed for effective callus removal. The motor has been upgraded with a real output speed range of 500 to 1200 rpm, offering faster, stronger, and more efficient performance. It features multi-speed adjustability, allowing users to easily select the desired speed using the included speed controller, providing greater control compared to devices with limited speed options. This device is not battery operated; it is designed to be plugged directly into a standard electrical outlet for continuous use without interruptions. The unit comes with replaceable self-adhesive sandpaper discs that are easy to attach and remove. Each disc is intended for individual use, promoting hygiene and making it suitable for both personal and household use. The sleek design features an aluminum alloy shell with a polished finish, giving it a compact and portable form similar to a small flashlight. MAIN FEATURES: This is a 2nd generation electric callus remover machine designed for improved performance. It features a 360-degree rotating head that helps effectively remove dry, cracked, and dead skin from heels and feet. The multi-speed function allows customization of rotation speed for personalized comfort and results. Simply plug in the device to begin use—no batteries required. The replaceable sandpaper pads are easy to apply and remove, supporting hygienic usage. The durable aluminum alloy body is lightweight and portable, ideal for travel. PACKAGE LIST: 1 x Black electric callus remover (Upgraded Version) 1 x Box of replacement sandpaper discs (60 pcs) 1 x User manual 1 x US plug with speed controller Please note: This electric callus remover is not waterproof. SPECIFICATIONS: Rated voltage: DC 24 V Rated current: 1.5 A Real output speed range: 0–1200 rpm Electronic foot file dimensions: 4.56 x 1.69 inches Electronic foot file weight: 5.99 oz HOW TO USE: Step 1: Soak feet in warm water for 20–30 minutes to soften dead skin. (This step is essential.) Step 2: Remove the protective film from the sandpaper disc and securely attach it to the device. Step 3: Connect the power cord and plug into a standard outlet. Step 4: Turn on the device and adjust to the desired speed using the controller. Step 5: Gently apply light pressure while moving the device over rough or dry areas of the feet to remove dead skin, calluses, and cracked skin. Step 6: After use, remove the sandpaper disc and clean the device with a dry cloth. Avoid exposure to water as the device is not waterproof.