KEIN 2PCS P21W 1156 Led Bulb 1157 BA15S R5W BAY15D P21/5W COB R10W Red Car Light Turn Signal Brake Stop Backup Reverse Lamp 12V
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Specifications
- Brand Name
- NONE
- High-concerned chemical
- None
- Origin
- Mainland China
- Voltage
- 12 V
- Item Type
- Turn Signal, Brake lights
- Lumens
- 1300lm, 1300Lm
- Interface Type
- BA15S (1156)
- For Vehicle Brands/Model
- Universal
- Model Name
- 1156/1157, 1156 P21W /1157 P21/5W
- Wattage
- 5w, 5W
- External/Interior light
- Yes
- Appilcation 1
- Turn signal (need to add decoder) / reversing lights/ brake lights / c
- Appilcation 2
- Daytime Running Light(DRL Light)
- LED Chip
- COB
- Color
- White/Red/Yellow
- Feature 1
- High Cost Performance/High Cost-Effective
- Feature 2
- Mini Size and Super Bright
- Attention please
- Need to add decoder as turn signal
- packing
- 2pcs
- Choice
- yes
- semi_Choice
- yes
Product Description
Pros & Cons
Pros
- Delivers 1300 lumens of bright, clear light for improved road visibility
- Compact mini size that fits most standard automotive BA15S/BAY15D sockets
- Cost-effective high performance for budget-minded buyers
- Compatible with multiple automotive light applications including turn signals, brake lights, and DRLs
Cons
- A decoder is mandatory for turn signal use to prevent hyper-flashing or dashboard error codes
- No official brand name is listed, so there is limited manufacturer warranty or customer support available
- Only pre-set color options (white/red/yellow) are available with no custom color choices
- Some late-model vehicles may require additional wiring adapters beyond the basic bulb swap
Common Questions
What voltage are these 1156/1157 LED bulbs compatible with?
These LED bulbs are designed to work with 12V automotive electrical systems, the standard voltage for most passenger cars, trucks, and SUVs.
What car light functions can these bulbs be used for?
They can be used as turn signal lights (a decoder is required for turn signal use), brake stop lights, backup reverse lamps, and daytime running lights (DRLs).
What base/interface types do these bulbs feature?
This listing includes bulbs with two common automotive bases: BA15S (for 1156/P21W models) and BAY15D (for 1157/P21/5W models).
Do I need any additional parts to use these bulbs?
Yes, a decoder is required if you use these bulbs as turn signal lights to prevent hyper-flashing or error codes on your vehicle's dashboard.
Where do these LED bulbs ship from, and how many are included per package?
These bulbs ship from Mainland China, and each package includes 2 LED bulbs total.
Product information last updated on February 20, 2026