Item Type: Thermostat Switch_x000D_ Material: Copper_x000D_ Thread Size: M4_x000D_ Voltage: 250V 1Specification: This thermal controller features small size, light weight, no arcing, reliable, long service life, less radio interference. 2Wide Application: This thermal controller is widely used in fractional horsepower motors, coils, household appliances, computer communications, fans, etc. 3Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. 4Strong Function: The operating temperature of this thermal controller is from ?20 to 300. Rest assured to choose it 5Fine Workmanship: This thermal controller is well carved with M4 thread, with perfect sealing and waterproof performance, rest assured to use them!2 x Thermostat Switch