A self service kiosk is an interactive tablet or touchscreen computer that allows a customer to access information or services without directly interacting with a person. WiFi Picture Frame, Smart City Digital Signage, Gate Access Control System, Battery Powered Digital Signage,Facial Recognition Camera. We have now ISO 9001 Certification and qualified this item .in excess of 16 years experiences in manufacturing and designing, so our items featured with best quality and competitive selling price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Ecuador, Zurich,Johannesburg, Sri Lanka.High definition display screen: the Touch screen interactive teaching whiteboard has good display effect, high brightness and contrast, high image definition and no harm to eyes. It can meet the display application of application video and multiple images. The viewing angle is greater than 178 degrees and can be seen in all directions.