All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
HC 05 Bluetooth Module:Input Voltage: 3.6V-6V ( Prohibit more than 7V);Working Voltage: 3.3V
On-Board 3.3V Voltage Regulator Chip, When Not Paired, Current about 30mA (due to LED Lights Flashing, Current in the State of Change); After the Pairing Succeeds, the Current is about 10mA
AT Command Setting:HC-05 Module Setting by AT Command,Default Baud Rate: 9600;Default Password: 1234; Default Name: HC-05;Press the Button and Power On the Module to Enter the AT Mode. AT Commands are Executed Only in AT Mode, Easy to Use
Working Status Indicator: HC-05 Module come with Connection Status Indicator,Fast Flashing LED Means No Bluetooth Connection, Slow Flashing Means Entering AT Mode, Double Flashing Means Bluetooth is Connected and the Port is Opened
HC-05 Wireless Module:HC 05 Bluetooth Module,Which Can Help to Add the Bluetooth Feature to your Project Easily ,Then You Can Use Your Android Phone to Control Some Gadgets Such As: Switches, LED,etc.(NOTE:HC-05 Module Doesn't Works With iOS)