① The fully-encapsulated board can be assembled by lateral stand and has a perfect outline, making it easy to use. ② It is compact in structure, solid, vibration-proof, moisture-proof, flame-resistant, and has high dielectric strength; ③ It has low idle current, high power factor, a wide range of over primary voltage, and a built-in temperature protector, making it safer to use. ④ It has welding slips in the output terminals, making it compatible with standard plugs and easy and flexible to use in applications.
