product description 1.Scope of Application - For the Most Voluminously Curled your natural lashes, false eyelashes, mink eyelashes and eyelash extensions. 2.Heat-up in 15 Seconds - Made of high thermal conductivity of nickel-chromium alloy, eyelash curler heats up super quick and hot enough. gently curls lashes with heated comb and mascara resulting in a stronger and longer-lasting curling in just seconds, but last all day. 3.More Safety - Concave side Comb curl and separate lashes without pinching or crimping. Voluminously curled eyelashes with absolutely no tugging, no pulling, and no broken lashes. 4.Unique Design - Have temperature sensor silicone indicator to let you know when it's ready to use. Two temperature settings. Low temperature 60-65C for thinner lashes, high temperature 80-85C for thicker lashes.You can sweep your lashes up to a gorgeous curve in one or two slow swoops. 5.Rechargeable Design - lithium battery power supply, USB charging of cycle use, more environmentally friendly and you can save the cost of batteries.