It can be used with NRF24L01 wireless module
Add core nRF24L01+ Breakout Adapter with onboard 3.3V Regulator
Onboard 3.3V voltage regulator accepts your Arduino +5V supply and provides 3.3V for the attached nRF24L01+ module
Allows for easy connection to nRF24L01+ modules
Small power on SMD LED indicator
Microcontroller: ESP8266EX
Operating Voltage: 3.3V
Digital I/O Pins: 11 (all I/O pins have interrupt/PWM/I2C/one-wire capability, except for D0)
Analog Input Pins: 1
Flash Memory: 4MB
6. On-Board Switching Power Supply:
Input Voltage Range: 9V to 12V
Output: 5V at 1A Max
Network support: Quad-Band 850/900/1800/1900 MHz
TTL serial interface compatible with 3.3V and 5V MCU
Power supply:Â 5 -20 V.
Power Interface: 2.54 mm Pin header or  MICRO USB interface.
Integrated, Wire Antenna
Interoperable with other ZigBee-compliant devices
Programmable versions with onboard microprocessor enable custom ZigBee application development
Supports binding and multicasting for easy integration into a home automation platform
Data Rate: RF 250 Kbps, Serial up to 1 Mbps
Range: Indoor 200 ft (60 m), Outdoor (LOS) 4000 ft (1200 m)
Transmit Power: 3.1 mW (+5 dBm)
Channels: 16 channels