TEMCo 10 pc Micro Limit Switch Lever Arm Subminiature SPDT Snap Action LOT HIGH SHOCK and VIBRATION RESISTANCE allows for use in tough applications and environments. SILVER NICKEL/SSILVER CADMIUM CONTACTS are rated for 30,000,000 operations. SEEKING RELIABILITY and SAFETY these switches offer a high precision of the action seat. 5 YEAR WARRANTY from an American name. NON-GENERIC.