Specifications: Installation is simple, plug and play, no need to change lines. Energy saving, low power consumption, high light efficiency, load current small, now oil is too expensive, 10% of the fuel used on the car light bulbs, switching to LED lights can effectively save fuel, protect the car lines. Low fever, is more conducive to traffic safety. The fast response time, traditional light bulbs need to preheat light, there is a delay of 0.3 seconds, with regard to 40KM/h speed, 0.4 seconds can travel a distance of 4.4 m. LED lights, no delay. Can effectively prevent rear-end event . A strong earthquake, no glass, tungsten structure. Type: T4.2 LED Bulb Model: T4.2 Quantity: 10 Pcs Voltage: 12 V Power: 1 W Uses: Car Dashboard Lights Features: Durable, Long Lasting, High Brightness Dimension: 7mm x 8.1mm/0.28" x 0.32", Base Length: 1cm/0.39" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x T4.2 LED Bulbs