1、Ultra‑clear picture quality and details are clearly visible with a real physical resolution of 1280 x 720, brings you a cinema‑level visual feast. 2、Diffuse reflection imaging healthy viewing, the light does not enter the human eyes directly, which fundamentally protects eyesight. 3、The light is soft and not irritating and effectively prevents the damage to the eyes of long‑term viewing. 4、Equipped with stereo surround sound with accurate adjustment, brings you a cinema‑level audiovisual feast, which is with 30,000 hours light source life, durable for 10 years. 5、Rich interfaces are easy to expand. There are many expansion interfaces, support HDMI ultra‑high‑definition data transmission, USB0 mobile hard disk, U disk read audio transmission, etc. 1 x Projector1 x User Manual 1 x Power Cord1 x Remote Control1 x 3-in-1 AV Cable1 x Height Adjustment Button1 x HDMI Cable Item Type: Small projectorVersion: Standard VersionMulti-Port Support: USB interface x1 / large memory card interface / AV interface x 1/HDMI interface x 1 / 3.5mm line output interface x 1Projection Technology: LCDBulb Type: LEDResolution: 1280 x 720Operating System: NoneBrightness: 100ANSILuminous Flux of Light Source: 1800lms±20%Screen Ratio: 4:3/16:9Contrast Ratio: 1200:1Light Life: >30,000 hoursProjection Distance: 1- 3.6-MeterProjection Size: 33-120 inchThrow Ratio: 1.43:1For Key-stone Correction: ±15°(manual)Speaker: 8Ω 1W x 2Machine Power: 55WRemote Control Battery: 2 AAA batteries (not included)