Model number:sm7 Display technologydlp Android system:android 4.4 Build-in battery:7.4v/2500mah Build-in memory/ram/rom:1g/16g Build-in speaker:yes Wifi:dual 2.4g/5g Bluetooth:bluetooth 4.0 Products dimension:4.13 x 4.13 x 0.98 inches / 10.5 x 10.5 x1.9cm Projector net weight0.28kgs Brightness:150ansi lumens Resolution:native:854 x 480, 1080p support Contrast:1000:1 Projection distance:0.3-3m Projection image size:15-300 inches Aspect ratio16:9 / 4:3 Light source:led Keystone correctionauto correction (vertical �30 degrees) Focus mode:manual Lamp life:more than 20000 hours Tripod hole:yes (at the bottom) Mini dlp video beamer projector
