Model: PJA-54P104W LCD Dimensions: 5.4 "Zhitou type LCD Physical resolution: 1280 * 720 Total Brightness: 450 lumens LED light intensity: 10,300 lumens LED life:> 30,000 hours LED continuous working time: <24 hours projection screen Size: 55 inches to 400 inches Projection Distance: 2.3M ~ 12.4M Projection Lens: fixed focus / manual focus Keystone: plus or minus 15 degrees Power supply voltage: 100 ~ 240V 50-60Hz CPU: 1.8 GHz Dual Core Memory: 1 G FLASH: 4 G Operating System: Android 4.2.2 Built-in Bluetooth: Buetooth 3.0 Built-in Wi-Fi: 802.11 b / g / n Ports: Ethernet \ USB * 2 \ Card \ AV IN \ Audio out support for Wi-Fi Display / DLNA / Miracast and remote control operation Dimensions: 360 * 305 * 117mm Weight: about 4.5KG Color: Black / White / Silver compatible systems: Windows / Android / MAC / Linux