Good product and very well filtered power hence no static at all on sensitive radios when using it as a power supply. I have three of them, one is 20 years old. an old 30 amp unit that runs 24/7 365 days a year with no issues, keeps my deep cycle batteries charged and provides 12 volt power. I also bought an IQ4 Power Controller for battery monitoring. I would suggest the company include an LED indicator to let you know the device is powered. Although the device is still not visible in many installations, this is not a big deal.