Analyze how LCD electronic water signs create value?

They are also 55-inch advertising machines, but in the actual inquiry process, the outdoor price is several times more expensive than the price of the 55-inch indoor advertising machine? What causes it?

Elevator advertising machine is a media advertising channel that has emerged in recent years. It is installed at the elevator entrance and inside the elevator car. It broadcasts various advertising content, various notices and announcements, as well as some public welfare film promotion and safety precautions. Knowledge, emergency response measures, etc.

Outdoor advertising machines have been operating in an outdoor environment for many years. Whether it is an internal air conditioner or air exhaust system, or a long-term bright LCD screen and various hardware interfaces, if it has not been properly maintained and maintained, it is not in the correct way. To use, will greatly reduce the service life of the outdoor advertising machine.

How to choose an interactive whiteboard, and what aspects should be paid attention to? Are more expensive interactive whiteboards better? Afraid of buying an interactive whiteboard with low cost performance?