Excelvan Wifi Pocket Mini DLP LED Portable Multimedia Projector (854x480 Native Resolution, 1080p Support, HDMI/USB Inputs, Miracast Airplay Wireless Display), Black DLP Technology: a DLP projection system and a brightness of 80 ANSI lumens make our projector ideal for nighttime viewing Multiple Inputs: USB and HDMI inputs ensure compatibility with your computer, laptop, TV, memory device, or even a gaming console Palm-Sized Portability: our projector is no taller than a U.S quarter, is incredible light weight (226g/.5lb), and has built-in speakers, all of which guarantee you'll have everything you need for a portable viewing experience Truly Wireless: the built-in battery and wireless display capabilities through third party tech (such as Airplay, Miracast) ensure seamless wireless operation Power Bank: use the built-in 2000mAh battery to charge your electronics, all while using the product itself