Emjoi Micro-Pedi AP-3RPS - This battery-operated foot buffer is ideal for at-home pedicures and is a safe alternative to harsh, metal scrapers. Micro-Pedi"s spinning rollers quickly and easily buff away rough, callused skin on feet to reveal supple, touchable feet. Specifications: Requires 2 AA batteries (not included) Includes 1 roller. Extra rollers sold under model # AP3RP2