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Ultra short focus laser projector
| ★1, light source technology: pure laser solid-state light source, brightness ≥3300 lumens; ★2. DLP digital optical processing technology, chip size ≥0.55 inch; 3, the standard resolution of 1024x768, display ratio 4:3, support 16:9,16:10 display ★4. Projection method: ultra-short focal internal reflection, imported ricoh lens, projection ratio ≤0.28:1, projection of 80 inches screen, the distance between the lens and the screen ≤45cm; ★5, contrast ≥35000:1; ★6. Under normal mode, light source life ≥ 25,000 hours; 7. Built-in 10W loudspeaker, power ≤250W, standby power ≤ 0.5w, noise ≤34dB; 8. Two-side honeycomb dustproof filtration system can effectively extend the service life of the projector; Equipped with complete machine IP5X dust proof; ★9, electric focus, trapezoid correction: vertical ±40°; ★10. The projector is equipped with Android operating system, 64-bit CPU, 4GB flash memory, and can install a variety of APP software, documents and teaching courseware to make the classroom more vivid; 11. It supports no PC demonstration function, and can directly read all kinds of pictures, office documents and video files on the USB storage device; 12. Interface configuration: HDMI x2, usb2.0x1, rj45x1, VGA x2, rs232x1, analog audio output x1, digital audio output x1, audio input x1, AV input x1; 13. The overall weight of the projector is ≥7.5kg ★14. Provide 3C and energy conservation and environmental protection certification. In the 3C certificate, the client, manufacturer and production enterprise are the same enterprise and the same name; ★15. The whole machine of the product is designed with IP5X dust proof, and the copy of the test report issued by the authority is stamped with the original factory fresh seal. ★16. The average fault-free inspection time of the product is MTBF≥50000 hours, and the copy of the inspection report issued by the authority is provided with the original factory fresh seal. ★17, in order to ensure the safety of laser radiation to the person, the laser needs to pass the safety level test, provide "laser safety CLASS 1 (CLASS 1) safety certification" report, provide a copy of the report stamped with the original factory fresh seal. ★18, the product through the national authority of the test, provide a copy of the report stamped with the original factory fresh seal. ★19 products listed in the latest government procurement list of energy-saving products, provide a copy of the original factory fresh seal. ★20 invested product production enterprises through the SEI CMMI5 system certification, to provide a copy of the certificate with the original factory fresh seal. ★ 21, products listed in the central electronic education center "digital campus comprehensive solution", provide a copy stamped with the original factory fresh seal. ★22. In order to ensure product quality, the letter of commitment on after-sales service of the original factory for this project shall be provided when bidding (the original document for reference). 23. Provide the color page product manual of the original factory and stamp the manufacturer's fresh seal.
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Whiteboard machine
| Equipment parameters: 1. Writing erasure: pencil, smart pen, laser pointer, etc., including no less than 9 types of pencil shape selection; erasure tool includes no less than 6 types of erasure such as object erasure, box selection erasure, one-button screen cleaning, etc., supporting gesture erasure; 2. Writing switch: the software provides a clear, prominent and unique icon or button to indicate the switch between writing and mouse. When switching to writing, the background of the user's original operation will be retained, and the page cannot be changed to a new key, so as to facilitate the user to add notes during the demonstration. 3. Pushpin function: the drawing toolbar has the function of pushpin. When drawing, the drawing toolbar that needs to be expanded can be fixed on the page through the function of pushpin, which is convenient for users to select back and forth. 4, format, you can import PPT, word, PDF, pictures, video, etc., can be to import object notation, erase, zoom, pages, such as operation, support the dynamic video notation, annotate content can be saved, save the document without changing the original document properties, the image format, support original document and approve the content editor again, convenient the teacher called again 5. Subject mode: Chinese hints are marked at the bottom of the tool. Subject mode includes no less than seven teaching modes of Chinese, mathematics, foreign language, chemistry, physics, etc.; The corresponding teaching tools and flash animation are provided in each subject teaching mode: subject tools can be switched to each other without connecting to the network. After connecting to the network user, they will be automatically matched and switched to the subject registered by the user. And users can customize the toolbar function to meet the needs of teachers in different disciplines. 6. Resources: the cloud teaching resources cloud platform can provide accounts and passwords for users to use for free; Resources include o 'clock, taught the new, Beijing normal university version, Sue textbooks, east normal university version, according to Lin, CNP, science and education, guangdong edition of textbooks, xiang version, Shanghai secco version, such as resources, as well as the high school physics, chemistry, biology and so on simulation experiment resources, through the platform you can upload your school internal resources, which contains resources platform sharing resources, course resources, in resources include PPT courseware, lesson plans, teaching animation, teaching pictures, etc. Users of the platform can directly log into the interface of the national public service platform of educational resources. 7. Dual application function: support two LCD touch machines to be splice into a double screen, each screen supports positioning, calibration, touch operation, writing and other touch functions; In the double-screen splicing teaching mode, whiteboard software is not only supported to be tiled on two splicing screens and used as a whole, but also to be opened and used on either side of the screen. Support two screens to play a PPT before and after the page content, and can be linked to page turning at the same time, that is, a full screen to display the previous page, another full screen to display the next page, to facilitate classroom teaching activities. 8. Mobile teaching function: it supports android or ios mobile devices. Without the need to install third-party apps or apps, it can scan the qr code and display the contents of the all-in-one screen in real time. And support to achieve the remote control of the all-in-one machine, including remote annotation, erase, writing mouse switch, writing erase switch, new page operation, white board software or PPT file in the large screen page turning operation; Support wireless transmission of mobile phone or tablet pictures to the large screen, support photo upload; 9, thinking axis tool: thinking axis lesson preparation tool, you can click on the thinking axis at any place to add material, material including pictures, videos, you can directly drag to change the order of the material, and can unlimited extension of the length of thinking axis, for teachers to provide a clearer teaching ideas. 10, roaming function: support unlimited roaming, can be quickly locked through the nine-palace grid, the corresponding picture will be displayed in the center of the screen, and support gesture roaming, in any tool, three fingers at the same time to slide the screen to switch to roaming mode 11, ★ intelligent split screen: can be set two split screen, three split screen, four split screen, independent between the screen, write and erase each other, convenient for many students to answer at the same time | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Projector stand |
Ultra short focal
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Push and pull Green board
| 4*13 m push pull green plate Coordinate with electronic whiteboard parameters Product structure: two sets of push-pull structure (inner track, outer frame and track integration design); The back writing board is fixed, and the front writing board can slide left and right. Equipped with self-locking device, completely block the electronic white board can be locked; 2) basic size: 1.25#4 m. Ensure that it matches the physical size of the electronic whiteboard; And can be adjusted according to the actual situation of the school; 3) writing surface: matte dark green composite panel with thickness ≥0.4mm. Acrylic resin paint is used as the coating. With ordinary chalk writing, handwriting uniform, clear, easy to write and easy to wipe, not reflective, not deformation, the whole board without splicing, effectively protect students' eyesight. Surface roughness ≥2.6 m≤12 m; Gloss ≤6%, no obvious glare in the light; 4) material: the back plate is made of high-quality anti-rust hot dip galvanized steel with thickness ≥0.25mm. It is equipped with reinforced concave keel to ensure that the pressure distribution is not lower than 635N, and the technical requirements of galvanized Z12 content are not lower than the national standard gb2518-88. The border material is aluminum alloy outer frame, the color is xiangbin color, the wall thickness is ≥1.2 mm, corrosion resistance, wear resistance to GB/ t5237-2008 standard. Sliding: inlaid bearing pulley with damping rubber sleeve to ensure smooth sliding and low noise. Invisible installation, no exposed connector. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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