This is a small projector from Sainellor. It's lightweight and compact, and can project onto the ceiling. It's recommended for home cinema, gaming, and use by children. 【Main Features】 Full HD (1080P) compatible / 4K decoding supported Maximum projection size: 200 inches (approx. 36 inches at 1m) Keystone correction (operable with remote control) Zoom function, automatic sleep function Built-in speaker Supported connections: USB, HDMI, 3.5mm audio jack iOS devices can be connected immediately with a USB cable (Android requires an app) Compatible devices: TV Stick, game consoles, laptops, tablets, etc. Lamp life: Approximately 60,000 hours Size: Approximately 151 x 72mm / Weight: Approximately 1.5kg Power consumption: 45W / Brightness: 16000 lumens Contrast ratio: 20000:1 It has been used only a few times and is in excellent condition. Please check the outer box and accessories beforehand. ※ Some Android devices are not supported (SHARP AQUOS, Google Pixel, Galaxy A/Z series) ※ Please check the connection method and compatible models before purchasing. Used about twice. Operation confirmed.