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Review on DaierTek USB Rocker Switch: Waterproof Car Charger with LED Voltmeter & Dual USB Adapter - Ideal for Rocker Marine Panel, Boat, RV, Vehicle by Jack Bhowmik

Revainrating 5 out of 5

If you are building a power supply - this can give voltage and USB to your project

I use a voltmeter for the power supply (search it on youtube) and the square profile is easy to cut into the plastic so it snaps into place . This meter provides voltage readings and 2 USB ports (all with USB connectors) for any project. There is a rubber rain cover. A great addition to my PSU for the price.

Pros
  • Very good price
Cons
  • Volume