Features: Effective Fly Control: This USB 5V device control fly ensuring a clean and enjoyable environment for shared meals. Hook Design for Easy Installation: Features a top hook, allowing it to be easily attach to a cord for versatiled placement. Customizable and Flexible: Includes a telescopic design with a device size adjust from 11.50cm to 27cm, connection via USB with a 310cm long cord and a 100cm rope. Lightweight and Quiet Operation: Small and extendable this device operates quietly at 5V2A, enabling simple installation and use without noise disruptions. Wide Application: Ideal for indoor dining, commercial areas, outdoor event camping, and grilling occasions, this USB-operated device enhances comfort in various setting. Specifications: Item Size:114x83x460mm/4.48x3.26x18.1in AdjustmentDiameter from 11.5-27cm/4.53x10.63in Strap：about 1M/39.37inin Connection : USB 5V2A USB Cable: about 300cm/118.11m Package Includes: 1Set USB Fly Fan note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.