Portable ultrasonic interactive electronic whiteboard CE,FCC,RoHS,ISO9001,ISO14001 Mouse simulation function Portable ... <0.5W Positioning Accuracy 0.1mm Input Electronic pen Response speed 3 m/s Resolution ratio Support any ratioData interfaceUSB1.1 CPUPentium ... degree to 40 degree, Operation Humidity : 10~80%AccessoriesUser manual, electronic pen, battery(LR6AA), Changchun Jida Scola Co.,Ltd has a ...