1、AUTO FOCUS AND LADDER CORRECTION: Projector utilizes autofocus and 6D auto ladder correction technology to get a clear rectangular image within 5 seconds of powering on. The built in displacement sensor can detect the movement of the projector at any time. Even if the projector moves, it can automatically adjust the focus and correct the image. 2、HIGH DEFINITION: Projector utilizes an imported concentrator technology glass lens with HD native 1080P and 20,000:1 high dynamic contrast ratio, and supports 4K video. With 99% NTSC technology, it highly restores the original image without compressing the picture quality, giving you the best gaming and movie viewing experience. 3、WIFI 6 PROJECTOR: WiFi 6 is not only compatible with 2.4GHz and 5GHz networks, the maximum rate is up to 9.6G bps, which enables smoother and more stable content transmission, no more delay and lag in projection, greatly enhancing the gaming experience and wireless projection experience. 4、BLUETOOTH 5.2 CHIP: 4K projector is equipped with the latest Bluetooth 5.2 chip. It supports stable connection to various Bluetooth speakers, bringing you more shocking and immersive sound. Built in 12W stereo speakers provide loud sound for your home theater without connecting external speakers. 5、CONNECTIVITY TECHNOLOGY: Outdoor projector is designed based on the fully sealed optical concept, which is less likely to get into dust, effectively reduces black spots and image loss, and prolongs service life. Equipped with 2 x HD Multimedia Interface, 2 x USB, AV, 3.5mm sound ports for easy connection to cell phones, computers, wide range of 50‑300 inch. Item Type: Outdoor Projector Material: ABS Color: White Remote Control Battery: 2 x AAA Battery (Without) Logistics Resolution: 1920x1080P Display Resolution: Maximum Support 4K WiFi: WIFI 6 Support 5G 2.4G Bluetooth: BT 5.2 Speaker: 2 x 6W Independent Sound Chamber Brightness: 600 ANSI Focus: Auto Focus, Manual Focus Calibration: Auto Ladder Image Contrast Ratio: 20000:1 Connection Technology: Wired, Wireless, Bluetooth, WiFi, HD Multimedia Interface, USB, AV, 3.5 Sound 1 x Outdoor Projector 1 x Remote Control 1 x Adapter 1 x Instruction Manual 1 x HD Multimedia Interface Cable