1. High degree of equipment integration; 2. Dustproof, anti-theft, anti-collision and convenient storage; 3. Strong mobility, fully realize resource sharing, and greatly improve the utilization rate of equipment; 4. The operation is convenient, simple and easy to control. Many advantages such as no space occupation; 5. High economy with it, multimedia teaching anytime, anywhere is no longer a dream! 6. High integration with it, your classroom will become more spacious and bright! Meet the requirements of conventional projector hoisting, and highly integrate the projector, power amplifier, audio, computer and other multimedia equipment. There is no need for electronic podium, LCD and other equipment to occupy valuable classroom space, which is clean and tidy! 7. High convenience and convenient operation. With it, your classroom will become a multimedia classroom at any time! You can log on to the Internet at any time Teachers only need to plug in the power supply and network cable and turn it on and use it immediately; 8. High security with it, you don't have to worry about any security problems! According to the use principle of "use immediately after class and leave immediately after class", carry it with you and move safely. From then on, you can carry out multimedia teaching at any time! 9. With it, your multimedia teaching has entered the era of "students' multimedia"! The equipment fully embodies the new characteristics of resource sharing and solves the problems of low utilization rate or insufficient equipment Or use it in any classroom at will. Students can also participate in the whole process of multimedia teaching! 10. Multi functions: the multimedia teaching integrated machine integrates multimedia LCD HD display, computer, electronic whiteboard, audio playback and other functions, which is orderly integrated, easy to use and practical; 11. High definition display: the multimedia teaching integrated machine has good display effect, high brightness and high contrast, high image definition and does not hurt the eyes. It can meet the display application of application video and multiple images, and its visual angle exceeds 178 degrees, which can be seen clearly in all positions; 12. Strong interactivity: real-time annotation, multimedia interactive demonstration, more vivid and more focused user experience; 13. Support remote video conference: the multimedia teaching all-in-one machine can build a simple video conference, and collect, record, store and play sound and image signals through external cameras and sound pickup devices. Or realize the visual communication of remote personnel through LAN or WAN; 14. No special writing pen is needed to enhance the man-machine experience: the multimedia teaching all-in-one machine can use any opaque object such as finger, pointer and writing pen to write and touch without special writing pen, so as to improve the experience between man and machine; 15. Multi touch new experience, more flexible human-computer interaction. It supports simultaneous positioning and writing of two points and recognition of multiple gestures. It can instinctively and naturally zoom, rotate and annotate, making the presentation more intuitive, improving the touch experience, conforming to the new trend of interactive touch control and improving the flexibility of human-computer interaction; 16. Ultra long service life and ultra-low use cost: the service life of electronic whiteboard is up to 50000 hours, and other use costs are almost zero. 17. Convenient application, time-saving and labor-saving: the multimedia teaching all-in-one machine is simple to install and maintain, can be operated and controlled without special tools, and has zero cost maintenance; 18. Strong adaptability to the environment and meet different needs: the multimedia teaching integrated machine is not afraid of scratch, impact, riot, dust, oil stain, electromagnetic interference and light interference, and meets various environmental requirements.