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S85-31-021W2016PB
Bowang
Complete Technical Specifications
| Model No. | S85-31-021W2016PB |
| Socket | SV8.5 |
| Led Qty: | 21PCS SMD2016 |
| Dimension | 31*12.4mm |
| Input Voltage | AC 12V |
| Power | 2W |
| Certificate | CE, RoHS,FCC,UL,Emark |
| Lifespan | More than 50.000 hours |
| Warranty | 12 Months |
Elevate your vehicle's lighting with our premium 31mm Festoon LED bulb, engineered for exceptional brightness and longevity. Utilizing an advanced array of 21 SMD2016 chips, this direct replacement bulb delivers a powerful, crisp 6000K white light that transforms dim interior spaces and ensures your license plate is clearly visible. Designed with a durable aluminum body and built for hassle-free, error-free installation, it is the definitive upgrade from outdated and inefficient incandescent bulbs.



Powered by an impressive 21 high-density SMD2016 LED chips, this bulb produces a brilliant, uniform white light that significantly outperforms standard bulbs, offering superior visibility for reading maps, finding items in the trunk, or illuminating your license plate.
Featuring a full aluminum body for optimal heat dissipation, this bulb maintains a low operating temperature. Combined with low power consumption, this design ensures a remarkable service life of over 50,000 hours—lasting up to 50 times longer than traditional incandescent bulbs.
Designed as a direct fit for standard 31mm (SV8.5) sockets with a non-polarity design for foolproof installation. It operates without flickering and is engineered to be CANBUS-ready, preventing dashboard error messages in most modern vehicles.
Manufactured to the highest standards, this product holds CE, RoHS, FCC, UL, and E-mark certifications, ensuring compliance with global safety, environmental, and electromagnetic interference regulations.
Primary Applications
This versatile 31mm festoon bulb is the perfect upgrade for a wide range of automotive lighting applications:
Interior Cabin Lighting:
• Dome Lights & Map Lights (Primary cabin illumination)
• Reading Lights & Dashboard Lights
• Courtesy Lights (Door panel illumination)
• Glove Box Lights & Trunk/Cargo Area Lights
• Instrument Panel / Door Lights
Exterior Functional Lighting:
• License Plate Lights (Provides even, bright, and legally compliant illumination)
Note: Please verify your vehicle's existing bulb size and socket type (31mm festoon/SV8.5) before purchase to ensure compatibility.
Simple Installation Guide
1. Access the Fixture: Carefully remove the plastic lens cover of the light you wish to upgrade (e.g., dome light lens).
2. Remove Old Bulb: Gently slide the existing halogen or incandescent festoon bulb out of its metal contact clips.
3. Insert New LED Bulb: Align the metal ends of the new LED bulb with the clips in the socket. Thanks to its non-polarity design, it can be inserted in either direction.
4. Test Functionality: Turn on the vehicle's ignition or open the door to test the light before reassembly.
5. Reassemble: Securely snap the lens cover back into place.
Frequently Asked Questions (FAQ)
A: Yes. While standard incandescent bulbs typically last 1,000 hours or less, this LED bulb is engineered for a lifespan exceeding 50,000 hours, making it a permanent upgrade for the life of your vehicle.
A: This bulb is designed to be CANBUS-ready and is compatible with most modern vehicle electrical systems. The stable design minimizes the risk of triggering dashboard error codes or hyper-flashing.
A: Absolutely. Its bright 6000K white light and standard 31mm festoon size make it an ideal, universal upgrade for both interior and license plate applications, provided the socket matches.
A: This product is backed by a 12-month manufacturer's warranty against any defects in materials or workmanship.
Complete Technical Specifications
| Model No. | S85-31-021W2016PB |
| Socket | SV8.5 |
| Led Qty: | 21PCS SMD2016 |
| Dimension | 31*12.4mm |
| Input Voltage | AC 12V |
| Power | 2W |
| Certificate | CE, RoHS,FCC,UL,Emark |
| Lifespan | More than 50.000 hours |
| Warranty | 12 Months |
Elevate your vehicle's lighting with our premium 31mm Festoon LED bulb, engineered for exceptional brightness and longevity. Utilizing an advanced array of 21 SMD2016 chips, this direct replacement bulb delivers a powerful, crisp 6000K white light that transforms dim interior spaces and ensures your license plate is clearly visible. Designed with a durable aluminum body and built for hassle-free, error-free installation, it is the definitive upgrade from outdated and inefficient incandescent bulbs.



Powered by an impressive 21 high-density SMD2016 LED chips, this bulb produces a brilliant, uniform white light that significantly outperforms standard bulbs, offering superior visibility for reading maps, finding items in the trunk, or illuminating your license plate.
Featuring a full aluminum body for optimal heat dissipation, this bulb maintains a low operating temperature. Combined with low power consumption, this design ensures a remarkable service life of over 50,000 hours—lasting up to 50 times longer than traditional incandescent bulbs.
Designed as a direct fit for standard 31mm (SV8.5) sockets with a non-polarity design for foolproof installation. It operates without flickering and is engineered to be CANBUS-ready, preventing dashboard error messages in most modern vehicles.
Manufactured to the highest standards, this product holds CE, RoHS, FCC, UL, and E-mark certifications, ensuring compliance with global safety, environmental, and electromagnetic interference regulations.
Primary Applications
This versatile 31mm festoon bulb is the perfect upgrade for a wide range of automotive lighting applications:
Interior Cabin Lighting:
• Dome Lights & Map Lights (Primary cabin illumination)
• Reading Lights & Dashboard Lights
• Courtesy Lights (Door panel illumination)
• Glove Box Lights & Trunk/Cargo Area Lights
• Instrument Panel / Door Lights
Exterior Functional Lighting:
• License Plate Lights (Provides even, bright, and legally compliant illumination)
Note: Please verify your vehicle's existing bulb size and socket type (31mm festoon/SV8.5) before purchase to ensure compatibility.
Simple Installation Guide
1. Access the Fixture: Carefully remove the plastic lens cover of the light you wish to upgrade (e.g., dome light lens).
2. Remove Old Bulb: Gently slide the existing halogen or incandescent festoon bulb out of its metal contact clips.
3. Insert New LED Bulb: Align the metal ends of the new LED bulb with the clips in the socket. Thanks to its non-polarity design, it can be inserted in either direction.
4. Test Functionality: Turn on the vehicle's ignition or open the door to test the light before reassembly.
5. Reassemble: Securely snap the lens cover back into place.
Frequently Asked Questions (FAQ)
A: Yes. While standard incandescent bulbs typically last 1,000 hours or less, this LED bulb is engineered for a lifespan exceeding 50,000 hours, making it a permanent upgrade for the life of your vehicle.
A: This bulb is designed to be CANBUS-ready and is compatible with most modern vehicle electrical systems. The stable design minimizes the risk of triggering dashboard error codes or hyper-flashing.
A: Absolutely. Its bright 6000K white light and standard 31mm festoon size make it an ideal, universal upgrade for both interior and license plate applications, provided the socket matches.
A: This product is backed by a 12-month manufacturer's warranty against any defects in materials or workmanship.
1)31mm of each bulb uses 21 x 2016 super bright smd chipsets.
Voltage: 12V DC, Color: 6000K .No Polarity, No Flickering.
2)Used for led interior car lights, led license plate lights, led interior map lights, led dome lights, led reading lights, dash board lights, side door courtesy lights, glove box lights, trunk cargo room lights, instrument lamp door lights, and more.
1)31mm of each bulb uses 21 x 2016 super bright smd chipsets.
Voltage: 12V DC, Color: 6000K .No Polarity, No Flickering.
2)Used for led interior car lights, led license plate lights, led interior map lights, led dome lights, led reading lights, dash board lights, side door courtesy lights, glove box lights, trunk cargo room lights, instrument lamp door lights, and more.