VONETS VAP11G-500 Industrial Grade Wireless High-Power Mini WiFi Repeater/AP Client/Bridge/Booster/Extender/Amplifier,USB Adapter,RJ45 Connector-500Meters Strong Coverage 300Mbps(Yellow) Work with mostly wireless router &access point; Support general power and high-power modes; Can be USB powered, easy to use mobile power supply. Best choice for the penthouse flat, elevator ,farm and factory video monitoring. In high- power mode, please use for paired, or use with other high-power wifi device,then it can reach to 500 meters. THE ASIN OF Twin Pack IS:B01H4ZGTWQ