latest Android 9.0 Operating system Dkian CY03 comes with latest android version of 9.0 with many built in features like app store OTT apps etc Big screen projector upto 180 inch with best clarity and brightness.3.54 "LCD Lamp Type LED LED light source brightness 240ANSI Lumens Native Resolution 1024*720P System Android 9 DDR/EMMC 1G+4G/1G+8G Wi-Fi 2.4+BT/2.4G+5G+BT(Contrast Ratio 1000:01:00 Connectors HDMI*1/USB*2/AV/ Audio (3.5 mm) Lamp Life (Hours) 30,000h Aspect Ratio 4:3/16:9 TRAPEZOIDAL correction V+/-15° Lens Manual focus Projection Distance (m) 1.2 ~4m OSD Languages English,French,German,Spanish, Italian,Portuguese,Russian,Polish,Arabic, Chinese,Turkish,Japanese,Thai,Vietnamese, Dutch,Hungarian,Czech,Romanian,Greek, Finnish,Swedish,Norwegian,Danish RealVideo 8/9/10 up to 1080P 30fps Audio decoding Supports MP3, AAC, WMA, RM, FLAC, Ogg and programmable with 7.1/5.1 down-mixing Projection Screen Size (inch) 50-180 Input Voltage(V) 110V-240V(±10%)50-60Hz Power Consumption (W) 48W Speakers Included 1x5W Speaker Die size 15.8x13x12(cm) Color White Bare weight 0.9KG Standard accessories Instructions,Power Cord,Remote control、HDMI Key specification Led brightness 6000L Android 9.0 Ram 1GB Rom 8GB Processor RK3128 Focus Manaul rotation Projection size 50 to 180 inch best resolutin at 120 inch connector ports HDMI*1/USB*2/AV/ Audio (3.5 mm) Built in OTT Apps Screen mirror function enable for smart phones android/ IOS Built in bluetooth connectivity for connection your wireless speakers This projector has a portable and compact design that allows you to take it anywhere Light weight Built-in WiFi: It comes with built-in WiFi for streaming content from your smartphone or tablet Easy Setup: It has a tabletop mount that is easy to set up and adjust Wall Mount Option: It also has a wall mount option for a more permanent installation Android 9.0 Support OTT apps Built in wifi and bluetooth Support screen mirror function for android and IOS device Has HDMI AV USB