Sunlite 03663 MH400/U/MOG M59 Metal Halide Lamp, 400 Watts, Mogul Base (E39), ED37, 12,000 Hour Life Span, 36000 Lumen, Clear Finish, 4000K

Ready work well

Is a good quality light bulb at a fair price.

Works just like I wanted. It was easy to use and replace the old light bulbs. Nice and bright.

We purchased these in November of 2022, they appears to be working and bright. Then the bulbs just stopped working this week, 3/13/2023. They are used in warehouse with 1 8 hour shift, 5 days a week. That totally to 700 some working hours, excluding the Christmas and other holidays.I just reached out to the company through their website, we’ll see how they handle this.3/16/2023 updateThe company responded the same day, and give the options of reaching out to Amazon to replace under warranty or wait 5-6 weeks after the item is back in stock.I called Amazon and they said that the item is outside of the return period and is sold by Sunlite, they have limited options.I've emailed Sunlite, reverting the feedback from Amazon and ask them how to proceed with waiting for their stock to replenish.As of today 3/16/2023, it's still unresolved.3/23/2023 updatethe customer service emailed me back on 3/20/2023 and apologized for the recent amazon experience and that they will place a back-order and it will ship as soon as they are available.They also asked for shipping address and a screen shot of the amazon order to be emailed in order to submit a new order.Received email update from customer service 3/23/2023 morning, they were able to have amazon ship the replacement bulb without waiting a few weeks.Received the amazon delivery shortly after the email.The bulbs have been replaced and the question now is how long will they last. The customer service has been effective. I will update the rating to 4 stars, pending the longevity of the replacement bulbs.

Bulb doesn’t work in the outside fixture. States it’s for E39 but nope not gonna happen very disappointed

Work great!

It's supposed to last for years.

Good