Portable DLP HD for Android 7.1 Bluetooth WiFi Projector Black with Remote Control 110-240V(2+16G AU Plug) Display Technique DLP 0.3 inch DMD Projection Light Source RGB LED OSRAM Q6 Brightness 50 ANSI Lumens Resolution 854x480(WVGA) Projection Distance Approx. 1-5m/3.3-16.4ft Projected Size 30-120inch Ladder Correction Manual Service Life of the Projection Light Source UP to 30000 hours Contrast 1000:01:00 Throwing Than 1:19:01 Distortion Degree <1.0% Evenness >85% Built-in Battery Capacity 4000MA Battery Life Work for about 2 hours System For Android 7.1 Scheme 5905X,Quad core for ARM Cortex-A53 CPU up to 1,5GHZ Processor For ARM Mail-450 GPU RAM 1G/2G Built-in Storage 8GB/16GB WIFI 2.4G/5G  Bluetooth BT4.0 Screen Image For Airplay/MiraCast Video Decode Supports 4Kx2K/60fps Video Format MKV/WMV/MPG/MPEG/DAT/AV/MOV/ISO/MP4/RM Audio Format MP3/AAC/WMA/RM/FLV/OGG Adapter 1xDC: AC100-240V, 50/60hz, DC 5V 3A TF Card 32G HD HDMI In USB 2xUSB 2.0 Memory 1+8G/2+16G (optional)