The product is a relatively small push button switch that can control the electrical circulation break. Its mounting hole diameter is 12mm, you can open the hole of size 12.2mm on the push button panel. Its material is divided into three types of stainless steel, copper, and zinc alloy. The shell material of the product is 304 stainless steel or H59 brass or zinc alloy. The stainless steel material push button has the function of corrosion resistance and can be used in corrosion places, such as the seaside or kitchen equipment. The appearance of the copper push button switch is atmosphere. It is explosion-proof and its cost is also relatively low, which is suitable for use indoors. Zinc alloy push button switch can be electroplated to a variety of different colors, such as black and red, which is very beautiful. The resistance of the push button switch is a metal carbon film, the product can achieve a variety of voltages, such as 3V, 5V, 12V, 24V, 110V, 220V, etc. The product has two working ways, one is momentary push button switch, the other one is latching small push button switch. The momentary push button switch means the push button switch is mounted on the button panel, after the electricity is connected, when press the small push button switch, the machine device is off. The latching small push button switch means that the push button switch is mounted on the machine device, after the electricity is connected, when press the push button switch, the machine device is off. If your purchase quantity is large, you can email our international trade sales staff directly. They have 10 years of experience overseas and will give you a great price and excellent service. The email address is [email protected]. Filn has 11 years of experience in push button production, and also has a professional R&D technology team, which can customize a variety of push button switches according to your requirement.