This item is a momentary push button with sturdy stainless steel consturction, which has a mechanical life for 100,000 cycles. It comes with colorful LED light for convenient use. Easy to use and install, push and hold to keep it ON; Release to make it OFF. It can be used for electromagnetic starter, relay, horn button switch, PC power switch or any circuit controls. Features - Light Color: Blue - Material: Aluminum - Size: 3.9 x 2.2 x 2.2 cm - Switch rating: 3A/250V AC - Ambient temperature: -20~+55 - Color: Silver - Operation types: Resetable - Material: nickel plated brass shell - Operating voltage: 12V - Operating current: 3A - Head protection class: IP67 - IK10 Panel thickness: 1 ~ 10 (mm) - Nut torque: 5 ~ 14Nm - Operation pressure: about 3~5N - Mounting hole size required: 16mm - Button Diameter: 10mm - Applicable to motorcycles, cars, boats for electromagnetic starter, stuff like relay, PC Power switch or any circuit controls. - Momentary switch: Push and hold to keep it ON; Release to make it OFF. - Easy to install, screw clamp type terminals to make fitting very easy. - Nonpolar LED light, wth built-in security resisitor, up to 50000 hours of working life. - Comes with rubber ring, safe and reliable, water-proof and dust-proof.