Viewsonic M1 Projectors

854 x 480 - Front - 480p - 30000 Hour Normal ModeWVGA - 120,000:1 - 250 lm - HDMI - USBAdvanced LED Light Source360-degree projection with Smart StandDual Harman Kardon SpeakersUSB Type-C for Video and PowerBuilt-in Battery and 16GB Internal StorageProjection Method: Front3D Type: 3D ReadyThrow Type: Short ThrowMaximum Diagonal Image Size: 100"Number of Lamps: 1Lamp Type: LEDNormal Mode Lamp Life: 30000 HourStandard Mode Brightness: 250 lmNative Resolution: 854 x 480Graphic Mode: WVGAMaximum Resolution: 1920 x 1080Native Aspect Ratio: 16:9Contrast Ratio: 120,000:1Video Signal Standard: EDTVOutput Scan Format: 480pHDMI: YesUSB: YesOperating Power Consumption: 55 WHeight: 1.6"Width: 5.8"Depth: 5"Weight (Approximate): 1.76 lbEnvironmentally Friendly: YesEnvironmental Certification: cTUVus, RoHS