The power supplies can overheat, posing fire and burn hazards.
What to do...
Update (9 April 2019): Recall completed in New Zealand.
Stop using the recalled power supplies and contact Elite Weather Systems for instructions on how to obtain a replacement power supply.
All identified owners of affected units in New Zealand have been contacted.
Sold from October 2017 to August 2018
Power supply units sold with PurpleAir PA-II and PA-II- SD air quality sensors with model number RKPO-UL052000C