Extremely Bright: Each DE3022 LED bulb has 4pcs High Power 3030 SMD LED Chips, 640LM/pair, clear view. 300% brighter than halogen bulb, provide more comfortable driving condition. Package includes: 4 pcs. To ensure you get the right bulbs, please measure the halogen bulb to confirm it's 30mm or 31mm long before purchasing. Fitment: Lasfit 31mm Festoon Led Bulbs 1.22 inch replacing DE3175 / DE3021/ DE3022 / 3021 / 3022 / 6428 / 6612F. Perfectly fits for Trunk Cargo Light, Dome Light, Courtesy Light, Map Light, Interior Door Light, Glove Box Light, Vanity Mirror Light. Marine LED BULB Navigation, Boat Anchor & Mast Masthead Lights. Canbus Error Free: DE3021 led bulb with built in resistor, solve the decoding problems of vehicles. No more having to hack your wiring to ensure you avoid "bulb-out" warnings, no more hyper flash. Canbus Error Free: DE3021 led bulb with built in resistor, solve the decoding problems of vehicles. No more having to hack your wiring to ensure you avoid "bulb-out" warnings, no more hyper flash. Efficient Aluminum Heatsink System: simple and effective heat dissipation and temperature control will keep your bulbs safe. Notice: Please turn off the power when replacing the bulb. Extremely Bright: Each DE3022 LED bulb has 4pcs High Power 3030 SMD LED Chips, 640LM/pair, clear view. 300% brighter than halogen bulb, provide more comfortable driving condition. Package includes: 4 pcs. To ensure you get the right bulbs, please measure the halogen bulb to confirm it's 30mm or 31mm long before purchasing. Fitment: Lasfit 31mm Festoon Led Bulbs 1.22 inch replacing DE3175 / DE3021/ DE3022 / 3021 / 3022 / 6428 / 6612F. Perfectly fits for Trunk Cargo Light, Dome Light, Courtesy Light, Map Light, Interior Door Light, Glove Box Light, Vanity Mirror Light. Marine LED BULB Navigation, Boat Anchor & Mast Masthead Lights. Canbus Error Free: DE3021 led bulb with built in resistor, solve the decoding problems of vehicles. No more having to hack your wiring to ensure you avoid "bulb-out" warnings, no more hyper flash. 1:1 Design: 31MM Bulb body is slim, sleek, super easy to plug in to housing, all you need to do is to remove the lamp covers and direct replace the stock lamps with LED lamps. The same 1:1 socket as halogen bulbs to ensure a perfect match with your car. Efficient Aluminum Heatsink System: simple and effective heat dissipation and temperature control will keep your bulbs safe. Notice: Please turn off the power when replacing the bulb.