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
- Versatile compatibility with multiple socket types and car light functions
- 1300LM high brightness per bulb with a compact, low-profile design
- Available in multiple color options to match different lighting needs
- Affordable cost-performance ratio as noted in the product specs
Cons
- Requires a decoder for turn signal use to avoid vehicle electrical system errors
- No official brand name or manufacturer warranty is provided
- Only rated for 12V systems, so not compatible with 24V heavy-duty vehicles
- The product listing has an incomplete description with no additional usage or installation guidance
Common Questions
What socket sizes and vehicle light functions do these LED bulbs work for?
These bulbs fit BA15S (1156/P21W) and BAY15D (1157/P21/5W) sockets, and can be used for turn signal, brake stop, backup reverse, daytime running light, and interior/exterior car lighting applications.
Do these LED bulbs require any special parts for use as turn signals?
Yes, a decoder is required when using these bulbs as turn signal lights to prevent vehicle error codes or hyper-flashing issues.
What is the brightness, wattage, and available color options for these bulbs?
Each bulb has a brightness of 1300LM, wattage of 5W, and is available in white, red, and yellow color options.
What type of LED chips do these bulbs use, and what is their physical size?
These bulbs use COB LED chips and feature a compact, mini size design for easy installation.
How many bulbs are included in one purchase, and is there official brand support available?
Each order includes 2 LED bulbs, and no official brand name or warranty/tech support is specified for this product.
Product information last updated on February 20, 2026