All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Package Included
5 X ESP8266 ESP-01S Serial WIFI Wireless Transceiver Module
2 X USB to ESP8266 ESP-01 Wireless Wifi Adapter Module
Description
Features:
Working voltage: 4.5V - 5.5V (On-board 3.3v LDO Regulator)
Working current: 300mA(LDO regulator can supply)
Selectable working mode: On-board toggle switch. UART side for serial TTL debugging by AT commands, PROG for firmware programming
USB to serial TTL chip: CH340G
Logic level: 3.3V
Applications: Home automation, sensor networks, industrial wireless control
Package Included:
5 X ESP8266 ESP-01S
2 X USB to ESP8266 ESP-01 Wireless Wifi Adapter Module