With light touch switch, the key is to touch the switch, the contact point of conductive parts during the switch.
First, the bigger the touch switch, the better.
At present, there are three main contact points, silver-nickel alloy, silver-cadmium alloy and sterling silver. Silver-nickel alloy is the ideal contact material, conductive performance, hardness is better, also not easy to oxidize rust, is the most ideal choice.
Second, the contact point depends on the material. Light Touch switch housing material with light. The main switch brands in the market generally choose PC material, impact resistance, high temperature, not easy to change the characteristics of the control of electrical switch is very important.