✔【High Quality & Low Power】Set of 4pcs 3175 led Festoon bulbs,6000K White, 280Lumen, 1W Per Bulb, Bulb size: 1.22" x 0.33",Working voltage:Dc 12v. Give your vehicle upgraded LED interior lights for a more modern and bright style! 【Polarity Sensitive】If the LED does not light up, simply rotating it 180 degrees (reverse the polarity). | ✔【Wide Application】Fits:31mm LED Festoon Bulbs can replace DE3175, DE3021, DE3022, DE3023, 3021, 3022, 3175, 6428, 6430, 7065 etc.Used for Car Interior Dome Light, Map Light, Door Light, Courtesy Light, Glove Box light,Trunk cargo light, etc.For most vehicles, Just Plug & Play Replacement LED Festoon Bulb. | ✔【Heat Dissipation】Built-in intelligent IC driver and aviation aluminum material for better performance,stable input current protects the circuit,Ensure the secure temperature range and consistent brightness out to reach a long LED bulb life up to 50,000 hours. | ✔【Important Attention】The DE3022 led Festoon bulb size may vary between the model or trim of your vehicle.5 Sizes: 28mm, 31mm, 36mm, 42mm,44mm etc.Please check your vehicles owners manual or the original bulb to confirm the bulb size before placing an order. | ✔【100% Satisfactory Service】Every package is tested before deliver and we provides High-Quality & Friendly Service.If you have any questions, please contact us via your order.We are glad to provide 1 year hassle free service on refund to make your purchase risk free.