about this project 2 Temperature Modes & LED DisplayDisplays temperature changes and battery power. 4 temperature adjustable (65/85C)(150/185F). Built-in constant temperature intelligent control panel. Plus, our mini eyelash curler automatically shuts off after 5 minutes of opening to keep it safe. 8 Seconds Fast Heating & 24 Hours LastingThe eyelash curler is made of nickel-chrome alloy, which heats up faster and has a wider heating area, which can quickly heat up within 8 seconds, saving your time. The professionally designed curved brush head conforms to your lashes for incredible natural curls. Safe Design and HarmlessUnlike traditional manual eyelash curler tools, the eyelashes are easy to break and damage or even hurt the skin. This electric eyelash curler is easy to operate, has heat insulation protection, and the slots can prevent heat from touching the eyelids and hurting the skin. Natural, painless, will not harm the skin, safe and convenient. USB Charging & Portable DesignUSB charging to save battery cost (charging cable included), can be charged with computer, power bank, car. The electric eyelash curler is compact and lightweight, and fits neatly in a purse, handbag, or makeup case. Every girl should have one! IMPORTANT: Mascara is a must for long-lasting curls Works on all lash types - now with longer, curlier lashes. Specification: Output voltage: 3.7V Charging voltage: 5V Charging method: Type-C fast charging Working temperature: low temperature 6070, high temperature 7585 Battery capacity: 500mAh Product size: 1372221mm Kind tips: Before using the heated eyelash curler, it is recommended to use mascara first for better styling In any gear, the c sign changes from red to white as warm-up is complete. 8-10S warm-up time, there will be deviations in different environments. After 5 minutes of continuous work, the electric eyelash curler will automatically turn off. When the battery is low, the display will flash, please charge. During the charging process, the red light will be displayed, until the charging is completed, the green light will be displayed. For safety reasons, do not use this product while charging. The product is not waterproof, please do not clean it with water and alcohol, detergent, mercury, alkali, acid, etc.