Check the listing for details. Thermostat, 70℃ N.O 2A Plastic Bimetal Temperature Control Switch 2pcs. Condition: New. Listed at 9.50 USD. Specification : Product Name : ThermostatAction Temperature : 70℃Action Type: N.O (Normal Open)Power : 250V 2APin Type : 2 WiresWire Length : 70mm/2.76inchMain Body Material : PlasticLife : 100,000 times Package Content :2 x Thermostat Description :1.Normally Open: The original state of temperature control switch contact is open, and close when the temperature sensing exceeds the rated temperature.2.Features : temperature controller has the characteristics of small size, quick action, accurate temperature control, large current control and long service life.3.Working Principle : uses square bimetal sheet as temperature sensor. When the temperature rises to the action temperature, the square sheet jumps suddenly, the transmission contacts act quickly, and the circuit is disconnected.