Anker Nebula Cosmos 4K and Dangbei Mars Pro both adopt laser light sources while XGIMI Horizon Pro uses an LED lamp as the light source. As we all know laser projectors used to be expensive, because laser light source is a more advanced technology that is brighter and more sustainable than LED lamps and traditional bulbs. As we can see XGIMI Horizon Pro is equipped with an LED lamp, hence Dangbei Mars Pro and Anker Nebula Cosmos have a serious advantage on the light source.
Source: XGIMI Horizon Pro vs Anker Nebula Cosmos 4K vs Dangbei Mars Pro:which is better? – EIN Presswire