The whiteboard projection light doesn't turn on, the alarm light and the power indicator red light at the same time
Your problem should be the bulb fault of the projector. Recommend you change the emperor's projector and electronic whiteboard, service life will be 2 to 3 times longer than the average length
Your problem should be the bulb fault of the projector. Recommend you change the emperor's projector and electronic whiteboard, service life will be 2 to 3 times longer than the average length
Your problem should be the bulb fault of the projector. Recommend you change the emperor's projector and electronic whiteboard, service life will be 2 to 3 times longer than the average length
