True constant current, stability has been greatly improved. Super bright 5500K pure white T15 high power 15W LED bulbs. Features: 1. Energy saving: The energy consumption is only 1/10 of the same brightness incandescent lamp and 1/4 of the same brightness energy saving lamp. 2. Highlight: At the same power, the brightness is 10 times that of incandescent lamps. 3. Environmental protection: It does not contain lead, mercury and other elements, and can be safely touched without any pollution to the environment. 4. No radiation: no ultraviolet and infrared rays in the spectrum, no harm to the human body. 5. Fast response: no need for hot start time, it can emit light within microseconds. 6. Strong stability: anti-vibration, impact resistance, safe and reliable. 7. Long life: up to 50,000-100,000 hours, more than 10 times longer than incandescent lamps. Specifications: Type: Car LED Bulb Socket: T15 LED Type: SMD 2835 Color Temperature: 5500K Current: 550 20mA Lumen: 800LM Voltage: DC 12V Power: 5W Package Included: 1 x Car LED Bulb Notes: Notes: If the LED does not light up, simply flip it 180 degrees(reverse the polarity). Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.