Alloy Steel

16.5×9″ LED Open/Closed Sign Waterproof

Since the internal temperature may be higher than the external temperature, condensation may occur—similar to the condensation that forms on a car windshield during rain. Energy-Efficient & Safe LED Technology 💡 Flicker-Free Illumination – 3528 LED beads with uniform brightness (5V/3A adapter included) ⚡ Low Power Consumption – Saves energy while maintaining high visibility 📖 Easy Setup – Printed manual for quick wall/window mounting.

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