Please allow 1-2 cm error due to manual measurement. Please make sure you do not mind before you bid.Heated curler shapes top lashes Silicon pad changes color when ready for use 2 AAA 1.5V batteries operated (Not Included) How to Use:1. Slide off the battery cover and 2 AAA batteries (Not Included) 2. Push On/ Off button up to turn on 3. The green light will illuminate 4. The red silicon pad changes around 10-15 senconds when the curler is ready for use 5. Place eyelashes on silicon pad. Push slide lever upward until silicon pad stops 6. Hold on eyelashes for 10-15 seconds 7. Release and repeat on the other eyelash until desired look is achieved 8. When finished, slide On/ Off button downward 9. The green light will go off 10. For the best, long lasting results, we recommend a coat of mascara after curling Clean:Do not wash it in water Wipe it clean with a piece of damp cloth Warning:Keep out of reach of children Package Includes:1 x Instant Heated Eyelash Curler (Random Color)