temperature sensing: Intelligent temperature sensor, using high-quality silicone sheet, can be quickly preheated, after 20 seconds of opening, the temperature-sensitive silicone sheet gradually fades from red to transparent, reaching a suitable temperature. 20 seconds quick warm-up, 15 seconds natural curling, fashion eyelashes, let your eyelashes curl naturally all day long. Natural long lasting curl: The curvature of the heated eyelash curler is more natural, 3.8cm wide-angle arc design, curling naturally does not hurt the eyelashes, the curvature fits the bottom of the eyelashes, suitable for most people's eye shapes, with mascara, make the eyelashes thick and slender, highlight the charm, and enlarge the eyes . Groove switch push design: Three-point anti-skid massage point anti-skid design, curved appearance adopts ergonomic design, curved shape, fit hand, very comfortable grip, use very little force, you can make each of your eyelashes have a perfect curvature and long-lasting curling lashes. Portable: The plastic eyelash curler is small and light, with a size of 125mmx38.3mm (4.9*1.5 inches), small appearance, very convenient to carry out. Battery powered: The heated eyelash curler is powered by 2 AAA batteries. Alkaline batteries are recommended to ensure fast warm-up. (Batteries not included)