WOWOTO WWT-BL02E Android 9.0 LCD Display 1280x720P 150ANSI Smart Projector Optical Parameters 1. Type: Single-chip LCD Android desktop (open optical path) 2. Projection Technology: 2.69-inch LCD display 3. Projection Brightness: 150 ANSI lumens 4. Projection Contrast Ratio: 1000:1 5. Illumination Uniformity: 55%-60% 6. Color Gamut: Greater than or equal to 45% NTSC 7. Native Resolution: 1280x720 8. Compatible Resolutions: 4K 9. Light Source: LED 10. Light Source Lifespan: Approximately 20,000 hours (at 25°C with good heat dissipation) Projection Parameters 1. Focus: Manual 2. Throw Ratio: 1.3:1 3. Projection Distance: 1.3m-3m 4. Screen Aspect Ratio: 16:9 5. Keystone Correction: Supports four-point keystone correction + automatic vertical keystone correction 6. HDMI Compatibility: 576i, 576p, 480i, 480p, 720p, 1080i, 1080p 7. Video Decoding: MPEG-124 1080p 30fps, H.264 1080p 60fpsH.265 4K 30fps 8. Audio Decoding: MPEG-123, etc. 9. Image Decoding: JPGBMPPNGGIF, etc. System Configuration 1. Controller: Hi3751 V352 2. CPU: Quad-core ARM Cortex-A53 3. GPU: Mali450 MP2 4. Operating System: Android 9 5. System Memory: 1GB 6. Internal Memory: EMMC 8GB 7. Wi-Fi: 2.4G + 5.8G dual-band 8. Bluetooth: BT5.0 Basic Features 1. Desktop Version: Dangbei OS 2. Multi-screen Interaction: DLNA, Air Play, Miracast 3. System Upgrade: Supports Online OTA 4. Languages: Multiple Languages 5. Buttons: Power, Arrow Keys, Confirm, Back, Home 6. Remote Control: Infrared Remote (Bluetooth Voice Remote Optional) 7. Supports Automatic Source Detection, Automatic Image Flip, Overheat Protection, Fan Fault Protection, Intelligent Cooling Control, Timer Power Off, Digital Zoom, Bluetooth Speaker Mode (After Power On), Supports Red and Blue 3D Input Ports 1. DC x 1 2. HDMI x 1 V1.4 3. USB 2.0 x 2 4. Output Port: Headphone x 1 Other Parameters 1. Mounting: Front Projection, Rear Projection, Rear Projection Ceiling Mount