LED light source with 20000 hour life means the unit is environmentally friendly and there is no need for a replacement bulb. Customer Reviews: Excellent Little Projector 5. I bought the 3M MPRO 120 Pocket Projector to use in my graduate seminars and I must … This very small projector does a pretty good job. If you are expecting something that will match up with the “big boys,” you will be disappointed. This unit cannot be used with overhead fluorescent lights at all! … Read more…
When it’s a question of higher illumination, longer lamp life and a cost that fits your budget, the 3M Overhead Projector 1700 Series Models are the 0 Vote(s) Read more…
3M Model 1730 Overhead Projector. As I am sure you already know, the 3M company has produced some great products in the past. This is no exception when you talk about a school overhead projector. For a few years that was actually their … has a chemically hardened stage glass which results in less maintenance because it cleans up very easily. The lamp itself is very good and will last you for just over 100 hours. The average life-span of a normal lamp is just 70 hours. … Read more…