Descriptions:
Model: ESP8266-12
ISM 2.4GHz
PA +25dBm
802.11b/g/n
Warnings:
1. This module requires a 3.3 volt supply for VCC, and 3.3V logic.
2. It is not 5V tolant,Connect RX or TX on 5V Arduino will destroy this module.
3. You must use a logic level converter, or a 3.3V Arduino
4. The 3.3V supply on the Arduino Uno has inadequate current capabilit to power this
module.
5. You must provide a separate,higher 3.3V supply(about 300mA or better)
Package include:
10PCS ESP8266 ESP-12E WiFi Module Remote Serial Wireless Transceiver Board