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| Brand Name : | Genevision |
| Model Number : | MAD-550 |
| Certification : | CE FCC ROSH CCC |
| Price : | |
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability : | 10000pcs/Month |
| Delivery Time : | 5-15 days |
55inch school all in One touch teaching whiteboard screen with PC inside and support Android OS
LCD screen specification | Backlight | LED backlight |
| screen resolution | 1920(H)×1080(V) | |
| view angle | 165/165/150/150(L/R/U/D) | |
| color | 16.7 | |
| brightness | 400cd/m2 | |
| Contrast | 5000:1 | |
| Response time | 4ms | |
| Effective display area | 1210(H)×680(V)mm | |
| Touch screen parameters | Principle of Identification | Infrared recognition |
| Multi-touch | 6/10 dot touch | |
| Anti-light interference | The screen can be used normally when illuminating the screen at various angles | |
| Notation | Fingers, pens, any opaque objects with a diameter> 5mm | |
| Touch accuracy | >95% touch area is ±2mm | |
| communication method | full speed USB2.0/3.0 | |
| Surface hardness of writing screen | Physical tempering mode 7-level explosion-proof | |
| Touch screen service life | 80000 Over hours |









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