This is not a quality problem with the bulb! If you mind, please place your order with caution. The bulb does not light up or the bulb is on for a while, then it goes out or the bulb flashes.

The dashboard displays an error code or the radio is disturbed. The bulb was still glowing slightly when the power was cut off. How can buyers verify that the bulb itself is working properly?

Due to the super power of the bulb, it emits a lot of heat during operation, and can only be used for turn signals, reversing lights, and brake lights. It cannot be used for headlights, fog lights, daytime driving, etc. Voltage: DC12V Current: about 1.75/0.25/0.75A [Measurement errors are normal] Power: about 21w (single contact), 3w/9.5w (double contact) [Measurement errors are normal] Lumens: 2800LM Number of LEDs: 3014-144SMD Color: White/Red/Yellow(amber) Application: Car, motorcycle, truck, SUV, ATV, etc. Heat Dissipation Theory: Aviation aluminum 6063 Waterproof: IP68 Usage:Reverse lights, turn signal lights and brake lights Features: 1. High efficiency and low power consumption 2. Environment friendly and energy saving 3. Faster on/off response time and vibration resistant 4.

With a long lifespan up to 50,000 hours 5. With 3014-144SMD high-brightness LED, brighter than ordinary incandescent bulbs. 6.360 Degree Beam Angle design lights up every corner. Easy to install, plug and play.

Package: 1/2/3/4/5/6/7/8/9/10/20/30/40/50/60/70/80/90/100 Pcs LED Bulbs.