Compare the plug shapes, voltage and frequency in Hong Kong and Tuvalu, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Hong Kong, you will need a travel adapter for Tuvalu. Hong Kong uses Type G plugs, and Tuvalu uses Type I, so the pin shapes will not fit any wall socket.
Hong Kong (home)
Tuvalu (destination)
Electrical specifications in Tuvalu
Voltage
Frequency
More about plugs in Tuvalu
In Tuvalu, the standard power plug is Type I. The country runs on 230 volts at 50 Hz. That means every wall socket in Tuvalu is the same shape — Type I, and your plug needs to physically match the socket to fit.
Full Tuvalu plug guide