These 4W MR11 LED globes are a great energy - saver, equivalent to 30W incandescent globes. They operate on a 12V AC/DC input voltage. The aluminium heatsink ensures efficient heat dissipation. With 3pcs SMD2835 LED chips, they offer a CRI of over 80 for high - quality lighting. The power factor is 0.5. They work well in ambient temperatures from - 20 to 50°C. Not suitable for dimming, but ideal for 2 - way switching and use with sensors. External control gear is required, and they have an IP20 rating. Backed by a 2 - year replacement warranty.

To use these MR11 LED globes, first make sure you have the external control gear ready. Connect the globes to a 12V AC/DC power source. They are great for 2 - way switches and can be used with sensors. Just install them like you would a regular globe. Remember, these globes are not suitable for dimming. Keep them in an environment where the temperature is between - 20 and 50°C. For maintenance, there's not much you need to do. Just clean the globes gently with a soft, dry cloth if they get dirty. And if you encounter any problems within 2 years, you can get a replacement as per the warranty.