| Project size | 15.6" | 19" | 21.5" | 22" | 23.6" |
| Frame color | rose gold | RED,WHITE, BLACK | IP4 | titanium | rose gold |
| Frame size | | 466X313X24 | | 538.8X357.2X20 | |
| weight of frame | | 3.3KG | | 3.92KG | |
| weight of frame and LED panel | | 4.98KG | | 6.18KG | |
| the total weight (include packaging and fittings ) | | 6.23KG | | 7.43KG | |
| | 75mm/100mm | 75mm/100mm | 75mm/100mm | 75mm/100mm | 75mm/100mm |
| brightness | 300cd/m2 | 300cd/m2 | 300cd/m2 | 300cd/m2 | 300cd/m2 |
| Display contrast | 500:1 | 500:1 | 500:1 | 500:1 | 500:1 |
| Uchar delay | 16ms | 16ms | 16ms | 16ms | 16ms |
| Viewing angle | >80° | >80° | >80° | >80° | >80° |
| Dot pitch | 0.21mm | 0.28mm | 0.27mm | 0.29mm | 0.25mm |
| max display resolution | 1366*768 | 1440*900 | 1920*1080 | 1680*1050 | 1600*900 |
| Touch resolution | 4096*4096 | 4096*4096 | 4096*4096 | 4096*4096 | 4096*4096 |
| Touch delay | <6ms | <6ms | <6ms | <6ms | <6ms |
| Dormancy awakening | 0.25s | 0.25s | 0.25s | 0.25s | 0.25s |
| Support of the port | USB,COM | USB,COM | USB,COM | USB,COM | USB,COM |
| Support the adjustment of direction | 90,180,270 degree | 90,180,270 degree | 90,180,270 degree | 90,180,270 degree | 90,180,270 degree |
| Change of serial port protocol | Change by the user | Change by the user | Change by the user | Change by the user | Change by the user |
| Light resistance | Can be use under the strong light | Can be use under the strong light | Can be use under the strong light | Can be use under the strong light | Can be use under the strong light |
| Touch point | A single point,two point | A single point | A single point | A single point,two point | A single point,two point |
| waterproof | well | well | well | well | well |
| Working voltage | DC 5V | DC 5V | DC 5V | DC 5V | DC 5V |
| Service life | >5 years | >5 years | >5 years | >5 years | >5 years |
Guangzhou HeTong Digital Technology Co. Ltd. was built on June 1, 2000.
We have specialized in Engineering LED TV, infrared touch screen, jukebox and network set-top boxes for 15 years and shown our strength on capital, technology, organizational structure and have good word-of-mouth in the same industry. We have registered the trademark as "Geely" in 2006. On June 1, 2009, and have changed its name from Guangzhou Avatar Digital Technology Co. Ltd. to Guangzhou HeTong Digital Technology Co. Ltd . For fifteen years, we are becoming bigger and stronger ! With the development of our company,our headquarters is on the thirty-four floor of where is located in the golden mile of Guangzhou Tianhe .we are adjacent to the biggest electronic products sales center of Asia and there are beautiful environment and many transnational corporation around our company. Because of the wide scope of bus and subway system, we have convenient traffic. In order to celebrate the tenth anniversary of our company, we moved our workshop into modern industrial park of Guangzhou .With years of accumulation and precipitation, we have nearly thousand square meters of workshops, regular production line, standardized of incoming material, top 5 modern management concept etc. What's more important, We have several important department such as incoming inspection department ,technology center ,after-sales service department and so on to promise our products of good quality.
Guangzhou HeTong Digital Technology Co., Ltd was built on June 1, 2000.
We have specialized in Engineering LED TV, infrared touch screen, jukebox and network set-top boxes for 15 years and shown our strength on capital, technology, organizational structure and have good word-of-mouth in the same industry. We have registered the trademark as "Geely" in 2006. On June 1, 2009, and have changed its name from Guangzhou Avatar Digital Technology Co. Ltd. To Guangzhou HeTong Digital Technology Co. Ltd. For fifteen years, we are becoming bigger and stronger! With the development of our company, our headquarters is on the thirty-four floor of where is located in the golden mile of Guangzhou Tianhe. We are adjacent to the biggest electronic products sales center of Asia and there are beautiful environment and many transnational corporation around our company. Because of the wide scope of bus and subway system, we have convenient traffic. In order to celebrate the tenth anniversary of our company, we moved our workshop into modern industrial park of Guangzhou. With years of accumulation and precipitation, we have nearly thousand square meters of workshops, regular production line, standardized of incoming material, top 5 modern management concept etc. What's more important, We have several important department such as incoming inspection department, technology center, after-sales service department and so on to promise our products of good quality.
