Geplink 30 Meters(100 Feet) Active USB 2.0 Extension Amplifier Cable Connect Pc with Far Away Webam/Microphone/WiFi Router Antenna/Phone Charging/Touch Screen Tv/Bluetooth Adapter/Printer Connect remote external USB devices such as camera,webcam ,printers, speakers, scanners, monitors, keyboards, CCTV etc to your computer,you can also use the adapter tp power your usb device in remote distance[does not support logitech camera] With 3 signal boosters(1 booster every 10 meters to ensure best singal transmission); Plug and Play; This cable is active up to 30 meters, allow full-speed connections with error-free transmission( while standard passive USB extension cable connections can cause significant data loss over distances of more than 5 meters) The uniquely designed weatherproof cover ensures that the connection between the attached USB device and the extension cable is protected from the harsh environment, allowing the device to be used outdoors With wall charger AC adapter to ensure enough power(see image 3 ),the green led light on(see image 4) means connecting success