How to choose the hand switch

For more and more touch switch, how to choose the right touch switch is a problem.
Now for the research and development of the touch switch technology has tended to mature, people pay more attention to the high degree of experience of the touch switch, the brand and model of the touch switch are also many.
More and more types of touch switch, dazzling appearance, so that we are confused about the choice of touch switch, how should we choose?
From the perspective of economic applicability, we summarize the following points:
1, first, what is your budget for the touch switch?
2, how long do you think the touch switch can keep you away from the radiation?
3. What kind of machine are you using? If it is a dental X ray machine, you can choose the 1 gear touch switch.
4. What is the configuration of your X-ray machine? If you don’t need to control the LED light of the beam limiter, bed movement and so on, you can choose one or two touch switch.
5, what kind of appearance do you like? Streamlined or textured prism?