Complaint
LOFIT cheapest 4k led screen all in one pc whiteboard 55 inch smart class board interactive
Compared with traditional whiteboards and projectors, the interactive flat panel not only has exquisite display effects, smart interactivity and remote meeting function, but also supports wireless connection and screen sharing which removed the complex wiring. It has received high preference and wide application in the school and conference machine market.
Screen size | 55''/65''75''/86''/98'' |
CPU | intel i3; (intel i5/i7 option) |
RAM | 4GB RAM; (8GB/16GB option) |
Memory | 120GB SSD;(240GB SSD/1TB HDD option) |
Windows OS | Windows 7/10 without license( license option) |
(Android OS option) | MSD 648 Quad core |
Android | Android 6.0 |
Touch Technology | Infrared touch |
Touch points | 10/20 points |
Input way | finger touch,pen,or any opaque object |
Touch life times | Over 60,000,000 times |
Touch response speed | 8ms |
Display Type | LED |
Resolution | 1920*1080 FHD (3840*2160 UHD option) |
Brightness | 400(cd/m2) |
Ratio of display | 16:09 |
Best viewing angle | up:89 down:89; left:89 right:89 |
Max. viewing angle | 178° |
Contrast ratio | 5000:1TYP |
Glass type | 4mm tempered glass |
Glass transmittance | 95% |
Front Buttons: | PC power button*1;Volume up*1;Volume down *1;Memu*1;Power on/off*1 |
Front ports: | HDMI*1;Touch out*1;MV in*1;USB2.0*3 |
Back ports: | USB2.0 type B*1;USB2.0*2;HDMI*1;VGA*1 |
Back ports:(Exact ports info. depends on the model of OPS PC) | DC(9V-12V)*1;MIC*1;AUDIO*1;LAN*1;USB3.0*2;USB2.0*2;HDMI*1;VGA*1 |
Power of display | 178W |
Colors | 16.7M |
Life time | 60,000h |
Working voltage | 50-60HZ 100-250V |
Standby power | 3W |
Working temperature | 0~45ºC |
Storage temperature | -20ºC~60ºC |
Working humidity | 5%-90% |
Power of speaker | 8Ω10W*2 |
Frame material | Alloy |
Accessories | Wall bracket/movable floor stand/pen/remote control/WIFI antenna |
Warranty | 12 months |
Package | 30mm thickness Honeycomb box |
1) Q: Are you a factory or trading company?
A:We are a OEM/ODM factory.
2) Q:What payment methods your company accept?
A:We accept most of the payment methods,but mainly accept T/T,L/C,Western Union.
3) Q:How long is the warranty time for your products?
A:Our officially promised warranty time is one whole year after delivery at best.
4) Q:I haven't done business with you guys before,how can i trust your company?
A:Firstly , Our company has been golden suppliers in Alibaba for many years. what's more,we've got quite a lot authority
certificates,for example,CE, UL, RoHS, FCC ISO9001, BV, Alibaba onsite check certificate. Second, we have own factory, can provide one full set service: design-produce-installation-test-package and so on, package usually is carton/ wooden/ flight case for
choice. we also can provide custom service according to requirement.
5) Q:what's the shipment terms and delivery time of your company?
A:Well, they depends on the quantity of your order. As you know ,we need time to manufacture the machines.but mostly ,the shipment time is 3-8 working days after delivery.For Delivery way, for Sample and Bulk order < 100KG, we will kindly suggest Express and Air freight, when Air freight and Sea shipping for Bulk order >100KG. As for detailed cost, it depends on your final order.
6) Q:Do you give any discount ?
A:I'll surely try my best to help you get those by the best price and good service at the same time.
7) Q:I would like to ask you if it's possible to have my logo on the product.
A:We hope you know that our company Lofty perfectly support customized logo service. But, we also hope you know that it's an extra service,so a little bit extra service fee is needed.
