Originally Posted by Sasqui
Yea, more like a "stupid" light on your dashboard telling you your engine is running or not.
Most motherboards have input line voltage monitoring built-in and visible through the BIOS. Which is more accurate?
probabily this as it will be calibrated correctly, the difference is that for instance your PC wont strat you can see if the PSU is working or not rather using this device rather than swapping everything out and then be stumped why it is still not working