The WLED03 is a WIFI connected PWM driver for 12v LED strip lights using the popular ESP32. It provides 3 channels driving up to 3 Amps each.
Power for the board is 12v dc. A 1A or greater supply should be selected depending on the requirements of your lights. The module itself requires only 30mA to operate.
More information is available on the website of Devantech.