Hello, most LED lamp driving power supplies do not have voltage protection circuits and cannot adapt to high and low working voltage environments. Only some manufacturers will consider these factors when designing. The driving power supply is the heart of the LED lamp, which cannot be discerned from the appearance. If you have more questions, Yuhong Optoelectronics Co., Ltd. will help you.
Correction, brother on the first floor, LED is not just for signal lights. Nowadays, many lighting uses white LED lights. The advantage of LED is that it consumes less power and is more energy-saving. If you think the brightness is not enough, you can add more and connect them. UPS said In layman's terms, it's like the battery of your mobile phone. When it has power, it charges and discharges when it runs out. I suggest you add a voltage stabilizing circuit