1、Blu-ray calibration, scientifically avoiding retinal damage caused by blue light from the motor. 2、Large screen display dedicated decoding scheme TSUMV56RBUT processor, support 1920 * 1080 hardware decoding. 3、High-definition image processing reduces the sense of jagged. 4、Dual turbo fan system, efficient heat dissipation. 5、Built-in in accordance with the diaphragm high temperature and high volume speaker, to create a real auditory sound. Features: 1. Blu-ray calibration, scientifically avoiding retinal damage caused by blue light from the motor. 2. Diffuse reflection imaging to protect eye health. 3. Large screen display dedicated decoding scheme TSUMV56RBUT processor, support 1920 * 1080 hardware decoding. 4. High-definition image processing reduces the sense of jagged. 5. Dual turbo fan system, efficient heat dissipation. 6. Built-in in accordance with the diaphragm high temperature and high volume speaker, to create a real auditory sound. Specification: Light source type: LED Resolution: 1280*720 Support resolution: 1920*1080 Brightness (peak): 3500 lms Contrast: 3000:1 Projection lens: high light transmission multi-coated glass lens Keystone correction: ±15 degrees Uniform brightness value: 98% Input interface: dual USB / HDMI / VGA / AV / headphone jack Power input: 100V-260V (±10%) 50/60HZ Projection ratio: 1.4:1 Image ratio: 4:3/16:9 Projection method: front projection / drop projection / rear projection Focusing mode: manual focusing Projection screen size: 30-200 inch Machine power: 70W Light source life: more than 2W hours Speaker: 403W Language: Support for multiple languages Direct remote control: support 0SD screen display, support infrared remote control Working noise: less than 25DB Boot mode: slide boot Package List: 1 * Projector 1 * Remote Control 1 * Power Cable 1 * Instruction Manual 1 * Cable 1 * AV Line 1 * Cloth Note: The remote control is shipped without a battery. Thank you for your kind understanding.