Specifically engineered for gas stations operating in high-humidity, coastal, or tropical monsoon regions, our LED Oil Price Display features a high-brightness white light background lamp combined with an advanced moisture-proof power supply. This dedicated power supply is fully potted and sealed to IP65 standards, ensuring that neither condensation nor heavy rainfall can penetrate the electronics. The display utilizes a uniform white light background to create high contrast, making the oil prices instantly readable even under direct sunlight or in foggy, drizzly conditions. By eliminating weather-related downtime, this rugged system helps station owners maintain a professional appearance and smooth traffic flow regardless of the forecast.

• Superior Corrosion Protection: Unlike standard power supplies where humidity leads to gradual circuit board corrosion, our sealed unit uses anti-oxidation coatings and waterproof potting compound, effectively doubling the lifespan of the display in humid environments.
• Instant Readability in Any Weather: The white light background lamp provides consistent, non-glare backlighting that cuts through heavy rain, mist, or low-light conditions, ensuring drivers can read prices from over 100 meters away without squinting.
• Safe Electrical Isolation: The moisture-proof power supply is fully encapsulated, meaning that even if the external junction box experiences condensation or water ingress, there is zero risk of short circuiting, sparking, or tripping safety breakers.
• Plug-and-Play Installation: Because the power supply itself is weather-hardened, you no longer need expensive external NEMA enclosures or ventilation fans for the power source—simply mount the display and connect it directly.

Q1: Why can't I just use a standard LED sign power supply and cover it with a plastic box in humid areas?
A1: Because humidity doesn't just come from rain—it enters through temperature changes. A standard supply inside a plastic box will still breathe in moist air at night; when temperatures drop, condensation forms directly on the circuit board. Our moisture-proof supply is fully potted (solid resin inside), so no air equals no condensation, period.

Q2: If water somehow seeps into the display housing, will the white light background lamp fail immediately?
A2: No. The white light background lamp panel itself is coated with a conformal waterproof layer. Even if minor moisture reaches the lamp area, the LED circuit traces are protected against short circuits. However, thanks to the fully sealed power supply, water rarely enters the housing at all.

Q3: Does the white light background consume significantly more electricity than a standard reflective display?
A3: Only marginally. Our white light background uses high-efficiency SMD LEDs that draw about 15-20 watts per square meter—roughly equivalent to a small household light bulb. In return, you gain 24/7 readability regardless of ambient light, which reflective displays cannot provide on cloudy days or at night.

Q4: How can I confirm whether my area truly needs a moisture-proof power supply?
A4: Perform a simple test: place a standard electronic device (like a small digital clock) inside a clear plastic bag and leave it outside overnight in your area. If you see water droplets inside the bag by morning, even without rain, your humidity level is high enough to kill a standard sign power supply within 6–12 months. That's exactly when you need our model.