Class style

Release date：2020-03-04 21:52Views ：2173

Class display device requirements:

1. Original LED LCD gauge A or above display screen, display size ≥21.5 inches, display proportion ≥ 16:9;

2. The screen adopts anti-scratch and crash-proof toughened glass ≥3mm, with a surface hardness up to grade 7 of mohs, covering the touch screen and border to protect the display screen;

3. Display resolution ≥1920×1080P, visual Angle ≥78 °;

4. Display brightness ≥400cd/m2, display life ≥50000h, brightness uniformity ≥70 to achieve clear semi-outdoor display;

Requirements of touch system:

1. In order to achieve full-screen touch effect, the whole machine adopts capacitive touch, which covers the entire display screen.

2. Multi-touch can be realized, which is convenient for zooming in and out of pictures and other multi-touch functions;

3. Touch has the characteristics of anti-strong light interference, so as to avoid the influence of sunlight or other light interference on touch;

4. Touch response time < 10ms.

Structural design requirements:

1. The whole machine adopts aluminum alloy outer frame, anti-corrosion and anti-salt fog, and the corners adopt arc structure to ensure the safety of students;

2. Front-mounted embedded camera with no less than 500W pixel;

3. The interface and buttons of the whole machine are located under the whole machine for easy operation; The wireless receiving antenna is designed on the side for stronger signal reception.

4. The wall hanging board is equipped with screw mouth or lock core anti-theft wall hanging structure to prevent students from disassembling conveniently;

5. Double horn design, output power ≥3W*2;

6. Support the card swipe attendance function, the card swipe area has obvious identification, the frequency of card reading: 13.56mhz, it can achieve real-time card punching.

System parameters:

1. Embedded Android 5.1 or above system, using 3288 quad-core or above high-performance CPU;

2. Operation memory ≥2G, storage memory ≥8G;

3. Port: USB≥2,RJ45 port ≥1, and support TF card expansion;

4. Equipped with wireless WiFi and wireless bluetooth transmission module.