Description: Injection molding is made of high quality imported engineering plastics. The rotating buckle is easy to disassemble,and 8-hole wiring can be freely matched. Contains solid color, no color difference LED lamp beads. Contact structure: composite button,protection method: explosion-proof. Widely used in oil exploration, refining, chemical, and other flammable gas environments. Specification: Material: plastic Size: 4.5x3x9cm/1.77x1.18x3.54inch Scope of application: equipment switch Working environment temperature: -50 °C~60 °C Head protection rating: IP67 Operating temperature: -60~55 °C Mechanical life: 10^6 (times) Panel thickness: 1-6 mm Package Includes: 1 Piece Explosion Proof Switch Button Note: The color may have different as the difference display, pls understand. Please allow 0-3mm error due to hand test.Thank you