... -vibration, no need to maintain 8.Working style: Constant, blink, sound activationPerformance parameter: Life Time: 25000Hrs Half life: 10000Hrs Color: Yellow ... automobile, motor instrumentation, defense, aerospace, a varies of high-tech digital instrumentationGuantian villiage, Beihuan road, Shiyan street, Baoan District, ShenzhenShenzhen Famao ...