Product Information: Our 74 led bulbs come in packs of 20, measure approximately 0.63" x 0.2", power supply DC12V, power: 1W/pair, output: 0.0833A Wide Range of Applications: The T5 led bulb can perfectly replace all wedge types: 74 T5 2721 T10 W5W 17 18 37 70 73 79 85 86 PC74 PC37 PC118 882 T15 194 168 158 PC168 161B PC160 PC161 168A 168NA 175 PC175 192 193 194 194B 194G 194NA 194R 2821 2825 PC194 PC195 PC195NA Plug and Play: These dash light bulbs are very easy to install, plug and play, just remove the old bulb and install the new LED bulb, if the LED does not light up, please flip its base 180 degrees to reverse the polarity Wide Compatibility: Our lnstrument Cluster Bulbs can be used to replace instrument lights, display lights, reading lights, air conditioning lights, door lights, license plate lights, vanity mirror lights, tailgate lights, map lights, console lights, interior lights Upgraded Materials: These led bulb dash lights use the latest technology 3030 chips, copper base has better conductivity, not only high brightness, but also good heat dissipation effect 20PCS 74 LED Bulb T5 Led Dash Light Bulbs, T5 37 74 2721 Instrument Cluster Bulbs Kit with Twist Lock Socket PC74 PC37, Dashboard Indicator Panel Gauge Climate Control Module Lamp