Power Supply (or transformer) is a device that changes the incoming electricity 110voltage to 12voltage. Channel letter signs require a power supply because the standard incoming current typically does not meet the letter illumination requirements.
Here is one Power Supply image that we used by: Wuxi Honest Sign Company
Always we provide the high quality and great price for each channel letter order!
LED POWER SUPPLY
WATERPROOF CHANNEL LETTERE-Mail: firstname.lastname@example.org
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