... power supply has 3 items, including BV-12-FYS-100W, BV-12-FYS-200W, BV-12-FYS-350W. Input voltage 170-250V, output 12V.2. This power supply ... distinguishes itself as performance, reliabilty, cost, capacity and adaptabilty to harsh working environment.Why you need this power supply ... the very high buildings.2. Our power supply will provide stable adaptability in the ...