Product Description: ESP-12E is an enhanced version ESP8266-12, improve the external circuit, enhanced impedance signal output is better, whether it is stable or anti-jamming capability, have been greatly improved! Before selecting a user for ESP-12’s, it does not matter even if the product has been made, enhanced version is fully compatible with previous firmware pin has added the ESP-12 on the basis of six IO ports, SPI mouth leads, develop more convenient, application more extensive. It can be used for remote monitoring of home appliances, bedroom temperature and humidity, and controlling home appliances by the mobile phone. Features: Compatible with ESP-12. Communication interface voltage: 3.3V. IO Port Package: Both SMD and Inline package are available, and the pin pitch is 2.0mm. Antenna Type: Built-in PCB antenna is available . Wireless Network Mode: station / softAP / SoftAP + station. Wireless criteria: 802.11 b / g / n. Wi-Fi @ 2.4GHz, support for WPA / WPA2 security mode. It is very easy to develop projects with AT command. About the Adapter Board: Used to convert the IO ports of ESP-12 to 2.54mm pitch pin headers, so it is easy for beginner to test ESP-12. Before use, the user should first follow these steps: Firstly, Solder the ESP-12 to the adapter board. Secondly, Solder the 3.3V regulator to the bottom of the adapter board. Thirdly, Solder the 1X8P pin header to the adapter board. Because there is a 3.3V regulator onboard, the range of VCC pin on the adapter board can be 3.3V to 5V. Applications: Home automation, sensor networks, industrial wireless control. General: Color:Black + White. Quantity:1Set. Material:PCB + alloy + plastic. Specification: Frequency:2.4GHz. Working Voltage :3.3V. English Manual / Spec :Yes.