Color:12mmProduct Description:* Product Name: Momentary push button* Colour: Silver* Material: nickel-plated brass + Stainless Steel * Head Shape: High Head * Head Diameter: 9/16(14mm) * Mounting Hole Size : 1/2(12mm) * Terminal Type: 2 pin, 2 pin solder * Operation Type: Momentary * Maximum button rating: 2A/12V/24V/125V/250V * Protection level: IP67, IK10 * Operating temperature: -20 to 40 to + 55 * Contact resistance: 50m * Insulation resistance: 1000m * Mechanical life: 500,000 times* Electrical life: 50,000 times Momentary Type: Push Hold-ON, Release-OFF. Package includes: 1. 10 x Metal push button 2. User guide is NOT included, this product is recommended to professional users. But if you meet any problem during operation, please feel free to contact us. Contact us. We will respond to you within 24 hours. Notes: 1.These push buttons come with a rubber O-ring seal which makes them splash proof, but they can NOT be submerged in water. 2.For the push button wiring terminal, try your best to complete the soldering within 3 seconds. 3.Please allow 1-3mm error due to manual measurement. Thank you for your understanding. 4.We are committed to; provide to; our customers with good products and excellent after-sales service. In case of problem, do not hesitate to contact us. Contact us. We will solve all problems