Lightweight and easy-to-use design hot eyelash curler. - Product Name: HOT EYELASH CURLER - Brand: and us - Features: Lightweight and easy-to-use design - Purpose: Eyelash curling - Power Source: 1 AA battery - Size: Approximately 20 x 2.5 x 2.5 cm A AA battery is included. Although unused, I have tested it with a battery to confirm it works. Please note that the box is slightly torn. Thank you for looking.