EMOTN H1 uses high quality LED light source with strict quality control and a fully sealed light machine to avoid dust from falling into the screen and producing black spots, which affects the picture quality of the projector; at the same time, it effectively protects the light machine and the life of the light source can reach 50,000 hours.
Here you can check this in detail - https://www.emotn.com/products/emotn-h1-portable-projector
This sharp 1080P resolution in a portable LCD projector is almost top technological level. The most genuine 250 ANSI Lumens Brightness.Support playback 4K video, 1080P HD video.
Emotn H1 LCD portable projector button design ideas come from the mechanical keyboard. Each flexible button is composed of an independent shaft switch. Every independent switch will give you an edge, such as a keyboard switch with paragraph sense, the keystroke is consistent and smooth that offers unmistakable feedback when pressed.