The mechanical thermostat temperature controlling range is from 0Celsius to 60Celsius, perfect for using to control heater.The adjustable button is for easy and convenient to adjust the controlling temperatureWhen the temperature is lower than the temperature set by the thermostat, the circuit and the heater equipment starts. When the temperature is higher than the temperature set by the thermostat, the circuit is disconnected and the heater equipment stopsThe bottom of KTS011 mechanical temperature controller switch is with 2 wire interfaces,which can make wire connection become more sturdyThe mechanical temperature control switch mainly use for controlling heating applicationsAbout temperature : Temperature deviation about 10 degree CelsiusName: Cabinet temperature control switch,Features: heating and heat dissipation, temperature control, simple setting.The product is suitable for barriers, ATM machines, outdoor power distribution cabinets, cabinets, and vending machines.Colour:redMaterial:ABS Size: 60 x 33mm Package Contents:1 x thermostatOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.