Features:The shell of our thermostat is made of high-quality plastic material with fine workmanship, environmental-friendly, safe, durable to use. Its temperature controlling range is from 0° to 60°, perfect for using to control heater, filter fan, cooling equipment and other signal device in your home, market and so on. It has a large data scale and an adjustable button is for easy and convenient to adjust the controlling temperature Adopting standard rail clip design, 4 feet holders, easy to install and disassemble. Circuit interfaces in the bottom of thermostat can make wire connection become more sturdy and safer. Product Description color: White Material: ABS Switch temperature difference: 7K (± 4K tolerance) Sensor element:Thermostatic bimetal Contact type:snap-action contact Service life:Greater than 100,000 cycles Connection:2-pole terminal, clamping torque 0.5Nm max.: rigid wire 2.5mm+/-2; stranded wire (with wire end ferrule) 1.5mm+/-2 Mounting:clip for 35mm DIN rail, EN60715 (or for exit filter EF 118 Series) Operating / Storage temperature:-45 to +80°C (-49 to +176°F) Operating / Storage humidity:max. 90 % RH (non-condensing) Protection type:IP20 model:KTO011 Package Contents: 4 x Temperature Controller Only the above package content, other products are not included. Note: Light reflection 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.