BIG SCREEN HD MOVIE: The latest UPGRADED DLP technology provides a 70% brighter, more vivid, and 50% sharper image. Supports full HD 1080P video with a 2000:1 contrast ratio. You can enjoy a 30-100" big and real display screen within 1-4 m distance. LIGHTWEIGHT AS A PHONE: Pocket size mini projector (3.86x3.86x0.85 inches) and lightweight (0.44 lbs). Easy to take and operate. It comes with a TRIPOD with a fully functional 360° rotation and firm stand. The neat projector is an ideal and popular Valentine's Day gift! EXCELLENT FEATURES: Super low noise which hardly to hear when you are watching a movie. The mini projector is perfect for home cinema, parties, traveling, or camping entertainment in a relatively dark environment. Not suitable for business or teaching presentations. BUILT-IN BATTERY & LONG LAMP LIFE: The pico projector has a built-in battery that lasts for 1.5-2 hours after fully charged. It can be also a power bank. Flexible to use anywhere and don't need charging always. Long lamp lifetime up to 45000 hours. If use it for 3 hours per day, that's 40 years. EXTENSIVE CONNECTIVITY: This portable projector can widely connect to a laptop, TV Box, DVD, tablet, camera, PS3/4, smartphone, etc. via HDMI port to enjoy a variety of entertaining resources from many devices. Make your living room become a home theater! Note: The M4 projector doesn't have and doesn't need a keystone correction.