cciyu 10 Pack Blue 37 58 70 73 74 T5 Diode LED Chips Dashboard Panel Gauge Cigarette lighter Ashtray light Speedometer Odometer Tachometer Instrument Panel LED Wedge Bulbs Base LED Type: T5 Diode LED Chips Direct replacement for all T5 Wedge Type 17 18 27 37 58 70 73 74 79 85 86 2721 Input : 12V, No UV or IR radiation. - Life Span: 50000 hours in average T5 is used as Car Indicator light, Instrument panel lightsDashboards Gauge Indicator light Many colors for your choice to DIY car interior effect you want Please NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity)