... aging test, high humidity test and low voltage test.Features: 1. This power supply has 3 items, including BV-12-FYS-100W ... -200W, BV-12-FYS-350W. Input voltage 170-250V, output 12V.2. This power supply distinguishes itself as performance, reliabilty, cost, ... environment.Why you need this power supply: 1. In advertising sign industry, The short lifespan of LED power supply obviously improved the cost of ...