cciyu T5 Neo Wedge HVAC Climate Heater Control Light 5050 SMD Instrument Panel Gauge Cluster Dashboard LED Bulb,20 Pack Super Blue Diameter: T4.7 - 12mm Base diameter;LED Type: T5/T4.7 5050SMD LED Chips Compatible socket bulb number:T5 - 79607-SHJ-S01 Ultra Bright LED, unique and more vivid color. Low Power Consumption and Low Temperature Application: Great repalce for A/C Lights, Climate Control light,Shifter light & Radio/Switch Lights etc Please NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity)