Check the listing for details. Mechanical Thermostat KTS011 0-60℃ Adjustable Compact NO Controller Switch. Condition: New. Listed at 16.93 USD. 【0-60 DEGREE CELSIUS】The mechanical thermostat temperature controlling range is from 0℃ to 60℃, perfect for using to control filter fan and other signal device .The adjustable button is for easy and convenient to adjust the controlling temperature【NORMAL OPEN】When the ambient temperature is lower than the temperature set by the thermostat, the circuit is open and the cooling equipment stops.When the ambient temperature is higher than the temperature set by the thermostat, the circuit closes and the cooling equipment starts.【2 WIRE CONNECTING HOLE】The bottom of KTS011 mechanical temperature controller switch is with 2 wire interfaces,which can make wire connection become more sturdy【BACK MOUNTING BRACKET】The back of heat control regulator is with fixed bracket,installation guide rail is easy to fix.