Unique feature: Less space and easy to use with the solutions of combination of the traditional teaching and the latest multimedia interactive pattern. Blackboard can be used as protection device of all-in-one machine, to protect the all-in-one machine will not be free to use and damaged effectively. All-in-one machine in the middle, the students sees more clearly. 3pcs/1.5m blackboard like as 4pcs/1m combinatorial blackboard solutions, teachers can write more optionally, more convenient to write a single blackboard especially in writing the title, no need to replacement of written pages frequently. Focus studentsí» attention more helpfully. Touch parameter: Specification inductive objects: finger, pen or any other non-transparent objects Inductive size: diameterí²3mm, recommended sizeí²5mm Resolution: 4096*4096 Response time: first dot(click):8ms , continuously(writing):3ms Cursor speed: up to 300 dots/s Operating life: í²60, 000, 000 times click Glass(optional): 3mm cursor glass, vertical tempered glass Power: usb power supply(4.6-5v, dc) Power consumption: ín1w Length of usb cable: 0.8m(up to 15 meters) Material aluminum + surface oxidation treatment 1pcs/box
