... ,so our cost is much lower 2)Quality:High birght led Specifications1. Size:60x30cm,41x17cm,58x36cm,50x50cm or ... or elliptical,welcome customers own design3. Leds:High bright,lifespan:100000 hours,4. function:display one ... design as per your request,3mm/led,5mm/led or 8mm/led led light.5. Material:PCB circuit board ... . There is one button to control the sign.11.the frame thickness is only 25mm12.simple ...