... 8mm 4Any color and shape is available Various Size EL Poster,EL Placard Specifications EL products is widely used in ... backlight,billboard ,poster,placard,advertisement,warning sign ,car sticker, lighting, T-shirt , ... :8000-20000hours3.Inverter Power: DC12V.4.Working style: Constant, blink, sound activation.5.Thickness :about 0.6-0.8mm6.Brightness ...