Features: Experience rapid knot tying with the Electric Fishing Line Knot Tyer, utilizing motorized technology to secure line for fishing setups. Feature a design and ABS construction, this tool reduces manual effort while offering more portability than traditional knot tool. For anglers who frequently change tackle setups, especially enthusiasts and professional fishermen seek solution. Perfect for fishing trip, camping adventure, or travel, ensuring quick line adjustments in diverse environment. Engineered to handle line effortlessly, this knot tyer streamlines saltwater fishing tasks with precisions and durability. Specifications: Component: Plastic Battery: 300mah(Include) Size: about. 11.5x6.3cm/4.53x2.48in Color: Blue/Black Package Includes: 1pc Electric Knotter note: Blue pattern include battery and is rechargeable. Black pattern requires battery and battery is NOT include. Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.