... power SMD5050 leds. 2.long lifespan 3.easy installation 4.applied for billboard, sign, 3 led module ... Wires come out from the bottom of module. These LEDs are set evenly and ... on the board, in this way, the module could achieve very high intensity. This product ... letters, signs,logos,etc.parametersymbolconditionRangeunitVoltage of power supplyVDDDirect current12vWorking temperatureTopDC12V,50%RH-20~+80 ...