The Mini Projector is suitable for private theater and children's education. The handheld size makes it portable for outside use! Such a smart projector can be charged by a power bank! Its 50 lumens brightness and 320 x 240 native resolution provide exceptional display quality, support 1080P, the aspect ratio of both 16:9 and 4:3. It is a good choice for home theater, and also a great toy projector for kids play and education.