This LED crochet hook has a rechargeable handle with built-in battery.There are 2 mode of strong and weak light that you can switch.The handle itself can be used as a small flashlight, very convenient.This set comes with nine replaceable hook tips in various sizes.15 minutes fast charging with USB and long lasting battery 7-9 hours, and there will be an indicator light after charging.USB charging can be done by wall adapter, power bank or desktop/laptop computer etc.It can be used as a small flashlight when it is not installed.Crochet Hook Sizes: 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm.About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks comptiable with your cooperation and we'll make you feel satisfied.