The projector does not have its own battery, it needs a 5V/2A power source such as a wall charger or power bank. Great for travel, hiking and camping where there's no electricity or TV. Also popular with children.It can be easily connected with your smartphone,TV Stick, PS4, PS5, X-Box ONE or tablet, laptop to play video,TV series, sports livestreaming, games etc. Native Resolution: 320 x 240,Resolution Support: 1920 x 1080. Aspect ratio: 4:3 or 16:9; Projection distance: 1-3m; Projection size up to 60 inches.This pocket size projector is great to carry anywhere and anytime for watching movies, playing games, or enjoy sports livestreaming, outdoor camping or party with friends.