... .5V 100mA polycrystalline 4.LED Quantity:2pcs5.LED Color:Yellow,red,blue&white,color changing can be option 6.Size:10cm(Dia ... ON button,it will light for white or other color,press the OFF button,it will be off. b)Light sensor. ... than 50,000hours)Application: 1.On/Off button.If you press the button,it will light in the dark,otherwise,it ...