- Projects bright 150 lumens WVGA (854 x 480) resolution images; accepts and scales down Full HD 1080p video files - Projects 15- to 120-inch diagonal images at close distances - Built-in 6,400mAh battery provides up to 5 hours of projection time, and can be used as a power bank to charge mobile devices - Plug-and-play compatible with mobile devices, laptops and PCs via a USB connection - Quick, easy setup with instant on/off capabilities, auto keystone correction and ASUS SonicMaster speaker Specification : Resolution : 854 x 480 Brightness : 150 Lumens Contrast Ratio : 500:1 Projection Screen Size : 16" - 120" Projection Distance : 0.5 ~3.7 Meters Connectivity : Micro USB x2 + 3.5mm Audio Out x1 + USB-A x1 Power Supply : 18 Watt Others : Speaker 1.5W x 1 Stereo 6400mAh battery 5 hour long projection, Lamp Type LED Lamp Life 30000 hours Audible Noise 30dB / 28 dB (Eco) PRODUCT DIMENSIONS : 110 x 83 x 29 mm PRODUCT WEIGHT : 307g WARRANTY : 2 Years