Power Input: 4.5V ~ 9V (10VMAX), USB-powered
Transfer Rate: 110-460800bps
Support UART / GPIO data communication interface
Support Smart Link Smart Networking
Working temperature: -40°C ~ 125°C
Drive Type: Dual high-power H-bridge
Don’t need to download resetting
A great set of tools to develop ESP8266
Flash size: 4MByte
Lowest cost WI-FI
LDR Light Sensor on board
WS2812 Led on board
Includes CH340G USB-to-UART programmer
Includes LDR (light dependent resistor a.k.a photoresistor) connected to ESP’s ADC pin
Supports 3 modes: AP,STA,AP+STA
Dimensions: 24mm x 16mm
Micro USB connection for power and/or programming