100 Percent brand new and high quality Widely used for various electrical projects Lightweight, small size, easy to carry Essay install and no driver needed Imported From HongKong Features: 100 percent new brand and high quality it is very useful, powerful internal run lwip protocol support three modes: ap, sta and ap + sta coexistence pattern improve the efficiency of the at command, let you use more simply specifications: model: esp8266 material: metal, product color: black size: approx 25x15x10mm package includes: 1x wireless module.