1. This set contains 9 interchangeable heads to meet your various needs. 2. Dim or bright 2 brightness levels suit various lighting conditions. 3. Built-in lithium battery can be recharged and reused. 4. 15 minute quick charging and long lasting battery 7-9 hours. USB charging can be done by wall adapter, power bank or desktop/laptop computer etc. 5. All crochet kits stored in a case, which keep everything in one place and easy to carry. Spec: Features: This set contains 9 interchangeable heads to meet your various needs. Dim or bright 2 brightness levels suit various lighting conditions. Built-in lithium battery can be recharged and reused. 15 minute quick charging and long lasting battery 7-9 hours. USB charging can be done by wall adapter, power bank or desktop/laptop computer etc. All crochet kits stored in a case, which keep everything in one place and easy to carry. Specifications: Pattern: No silicone handle Crochet Hook material: PC Crochet Hook Sizes: 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm Handle Length: Approx. 12cm / 4.72inch Hook Length: Approx. 4-4.5cm / 1.57-1.77inch Package Size: 18 x 10 x 3cm / 7 x 3.9 x 1.18inch Color: As shown in the picture Weight: Approx. 132g Package Included: 9 x Interchangeable heads 1 x USB charging cable 1 x Small wrench 1 x Handle 1 x Case Note: 1. Please allow small error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Only things package included, no other stuff.