These Power Suppiles came from a working LED Watchfire sign - Model Number: w19i-S

Output: 4.2V 30A
Input: 120VAC 3A 60Hz

Part Number: 510012

Keep your Watchfire running. These parts will no longer be available from Watchfire soon.
30 Day Warranty

I cannot verify that these fit other sign models but will gladly accept returns if you buy it and it doesn't fit your sign. You just pay shipping for the return. If you return using an eBay label, the cost will be deducted from the refund amount.