Multi-functional DLP Micro Projector (with Battery and Speakers) Features TI DLP technology854×480(WVGA) resolutionOSD support multinational languageAV, VGA inputLED light source lasts over 20,000 hours while producing excellent colorArrive at 80-inchs image sizeOperation by keys on the projector and remote controlEmbedded speaker, and can play audio file in TF card ,USB or input audio sourceEmbedded multimedia player, support many video,audio and photo file formatSupport TF card and USB readerHold offset function and support image rotateEmbedded low noise level fansDLP Micro Projector Specifications Dimensions 70(W) × 26(H)×130(D) mm Weight 150g (not include accessories and cables) Projector technology DLP Lamp 6W RGB LED Brightness 30 ANSI lumens Maximum Bright mode, 15 ANSI lumens Standard Bright mode Displayable colors 110% NTSC color gamut Image size (diagonal) Maximum size can arrive at 80-inches Offset 100% Resolution Native 854 x 480 (WVGA) Maximum resolution 800 x 600 (SVGA) Contrast ratio 1000:1 Aspect ratio 16:9 LED life Life of over 20,000 hours Focus Manual I/O connector Mini USB2.0, TF, 2.5mm A/V input, VGA (HDMI-in), 3.5mm Audio File compatibility Audio/Video: MP3, AVI, RMVB Photo: JPEG Input device Support TF(micro-SD) card and USB Audio Two 0.5-Watt Speaker, Headphone-Out Remote control Present by projector Power consumption Low Bright mode:5W, High Bright mode:10W Operating temperature 0°C +45°C Color Black / White Battery 2400mAh Li-ion battery Power supply DC 5V /4.0A (transformer AC 100 240V, 50/60Hz)