Designed for use under rugged conditions, the DURA/SEAL membrane switches feature a proprietary sealing process that keeps the switch free from moisture egression caused by weather or environmental conditions. They can operate in temperatures from -10°F to 140°F and a typical humidity of 90% RH. Available with either silver- or gold-plated contacts and circuit lines, they can also be produced to customer specifications. Prices start at $3 depending on design and quantity.