High quality underwater bulb, LED lighting controller, LED light transformer, LED light power supply, LED light plug. Passed CE, RoHS and many other international certifications.
The standard specifications of some parts are not universal and only apply to products of the same manufacturer. You need to be clear when choosing.
In order to unify standards and quality, some countries or international organizations have formulated relevant norms and certifications. Among the more famous are:
RoHS certification, CE marking, VDE certification, GS certification
CB certification, IP68 certification, SGS factory audit, ISO9001 quality management certification
ETL certification, UL certification, CSA certification
SASO certification, PSE certification, CCC certification