MINI TRAVEL ROUTER Convert a public/hotel network(wired/wireless) to a private Wi-Fi for secure surfing. Tethering, 3G/4G USB Modem Compatible. Powered by any laptop USB, power banks or 5V/2A DC adapters (sold separately). 39g (1.41 Oz) only and pocket friendly. OPEN SOURCE & PROGRAMMABLE OpenWrt pre-installed, USB disk extendable. VPN CLIENT & Server OpenVPN and Wireguard VPN client & server pre-installed, compatible with 30+ VPN service providers. LARGER STORAGE & EXTENSIBILITY 128MB RAM, 16MB NOR Flash, dual Ethernet ports, UART and GPIOs available for hardware DIY. PACKAGE CONTENTS GL-AR300M16 mini router (2-year Warranty), USB Cable, Ethernet Cable, User Manual.