The mechanical thermostat temperature controlling range is from 0Celsius to 60Celsius, perfect for using to control heaterThe adjustable button is for easy and convenient to adjust the controlling temperature When the ambient temperature is lower than the temperature set by the thermostat, the circuit close and the heater equipment starts. When the ambient temperature is higher than the temperature set by the thermostat, the circuit is disconnected and the heater equipment stops The bottom of KTS011 mechanical temperature controller switch is with 2 wire interfaces,which can make wire connection become more sturdy The mechanical temperature control switch mainly use for controlling heating applications About temperature : Temperature deviation about 10 degree Celsius Name: Cabinet temperature control switch, Features: heating and heat dissipation, accurate temperature control, simple setting. The product is suitable for barriers, ATM machines, outdoor distribution cabinets, cabinets, and vending machines. Colour:red Material:ABS Size: 60 x 33mm Package Contents: 1 x thermostat Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 159 hours Hope you have a pleasant shopping experience!