USD9.2 DVR 500VAStable Performance, high-quality galvanized sheet, piano baking paint, long service life.Adopting Wall holl hanging design and heat dissipation on both sides.Voltage regulators can not only protect electronic devices, but also improve the efficiency and stability of circuits, ensuring that devices can operate normally at stable voltages.Please refer to the detailed explanation about SVC DVR Voltage regulator in the following link.https://baike.sogou.com/v62044379.htm?fromTitle=%E7%94%B5%E6%BA%90%E7%A8%B3%E5%8E%8B%E5%99%A8
USD8.0 AVR 500VA Voltage regulator is a power supply circuit or equipment that can automatically adjust the output voltage. Its function is to stabilize the power supply voltage required by large fluctuations and unsuitable electrical equipment within its set value range, so that various circuits or electrical equipment can work normally at the rated working voltage.You can learn more details in the following link.https://baike.sogou.com/v62044379.htm?fromTitle=%E7%94%B5%E6%BA%90%E7%A8%B3%E5%8E%8B%E5%99%A8