Laser Beam Pro is Focus-Free, FDA accessed (# 1611158-000) Class 1 Eye-Safe Laser, which means the projected image from around 3 ft. to 15 ft. away from the screen and diagonal 30 in. to 150 in. of screen size is completely FOCUS FREE. No need to worry about FOCUSING ever again! This projector also supports up to 4K input and 1366 x 768p progressive HD native resolution of output with maximum of 200 Lumens, which provides vibrant colors and soft images on the bright-color wall, ceiling, or projector screen and performs better in a complete dark environment By using Wi-Fi or Hotspot, you can surf the web and enjoy movies straight from Laser Beam Pro. You may use the apps such as YouTube, Netflix, and Amazon Prime TV after Wi-Fi or Hotspot connection is established. Built-in Bluetooth function also lets you connect a variety of other Bluetooth devices, up to 7 different devices such as Bluetooth Speaker, Bluetooth Mouse, Bluetooth Keyboard, and etc. See Product Description for more details on which apps are supported Connect Laser Beam Pro to iOS devices or Android devices wirelessly to share photos or watch your own downloaded videos with your friends and family straight through the projector. Consider using a cable or your own hotspot to video stream. See Product Description for more details on how to connect your mobile devices with Laser Beam Pro

【Portable Design】Mini size (98*98*21.5mm) and SUPER lightweight. Easy to be put in bag and carried to wherever you like. Ideal for using at home, enjoying films with your families, or relaxing before sleep. Also perfect for parties or camping projection in appropriate environment (dark). 【Built-in Battery】The projector is equipped with an AC charger and a built-in rechargeable 3.7V/3400mAh battery. Built-in battery makes it to be used freely without having to search for electric plug. It can also be a backup battery for your mobile devices. 【HDMI & MHL Input Support】Plug and play, easy and convenient to use. With a HDMI cable, mini switching interface and MHL input supported function (extra gadget is needed), you can connect the projector to your laptop, tablet, camera, or smart phone. Enjoy a variety of entertaining resources from as many devices as you like.