ESP8266 ESP-12 ESP-12F CH340G V2 USB WeMos D1-Mini WIFI Development Board  Type-C:

NodeMCU Lua IOT Board 3.3V With Pins
D1 Mini is mini WiFi board based on ESP8266
Compatible with MicroPython, Arduino, nodemcu
This is new version V2
11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
1 analog input (3.3V max input)
Built In USB-C Port
On board reset button & LED on pin D4(GPIO2)

Technical Specification:
-Microcontroller: ESP-8266EX
-Operating Voltage: 3.3V (Max) , Micro USB powered
-Digital I/O Pins 11
-Clock Speed: 80MHz/160MHz
-Flash: 4M bytes
-SRAM: 64 KB
-Wi-Fi: IEEE 802.11 b/g/n
-  Integrated TR switch, balun, LNA, power amplifier and matching network
- WEP or WPA/WPA2 authentication, or open networks
-Dimensions: 34.2*25.6mm

For more information visit Wemos website