Many people think that anti-cursor cards are the same product as night cursor cards, but they are called differently. In fact, this is a wrong understanding. Anti-cursor cards and night-cursor cards are two different products. Anti-cursor cards are made of reflective materials. Only when the light shines on the sign will light reflect out. Normally, it will not There is bright light, and the night cursor card is made of light-absorbing material. It absorbs enough light source first, and then emits light by itself. Generally, it absorbs the light source for two hours to light up for 12 hours. So you see the night cursor card at night Always on.