Core Innovations CPJ720BLBY 720p Portable Home Theater Projector with Built-in Rechargeable Battery. Bring along movie theater-style entertainment on your next adventure with the Core Innovations HD Portable Home Theater Projector (CPJ720BLBY). Featuring a built-in rechargeable battery that?s perfectly suited for outdoor movie nights, this projector is sure to impress. Simply charge up the device, and you'll be ready to watch up to 1080p HD content via USB, HDMI, AV or Micro SD Card. Built-in speakers and an adjustable screen size up to 150" makes this the ultimate companion for an elevated home theater experience.