How to identify projection light bulb true and false?
The first category is launched by the projector manufacturers in the original packaging an...
The scientific four seasons star projection lamp
Open the box, followed by manual assembly, in front of the box containing the accessories,...
How to install the projection lamp?
Our projection lamp installation is very easy and convenient, we can see it...
What is a projection lamp?
Item name: projection lamp product model: projection lampDetailed descriptionProduct Descr...
How much is the overhead projector at the entrance?
If it's an ordinary one with a memory card, more than 100 is OK; if you need an internal s...
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