EFFECTIVE: The heated eyelash curler heats up quickly in 30 seconds to provide a long-lasting curling effect for more attractive eyes. Recommended to be used with mascara for best results and time savings. PAINLESS: The heated eyelash curler is designed with a groove that fits your eyelashes perfectly. The heat protection groove naturally extends the distance between the heating wire and the eyelid for greater safety, without hurting your skin or damaging your eyelashes. SAFE AND SMART: the electric eyelash curler Hot Eyelash Curler is designed to be at the right temperature without damaging your lashes. The innovative temperature sensitive pad automatically changes color as it heats up. Please wait a few minutes to make sure it is fully heated. User friendly: adapts to all eye shapes and eyelash curves. Requires 2 AAA batteries (included). Small and Portable: This professional eyelash curler is lightweight, portable, compact and durable. 14*3.7*2.7cm. It slips easily into your makeup bag and is perfect for dates, outdoor productions, travel, work and more.