Description: 【Stainless Steel Temperature Probe Sensor】: 12V Adjustable Fan Thermostat with Stainless Steel Temperature Probe Sensor. The probe measures the liquid or interface temperature and supplies power to the fan. 【Temperature Control Range】: Flexible on off temperature control range 32-248°F (0-120 °C). 【Installation】Probes can be installed between radiator fins or in inlet outlet pipes. Thermostat wire length is 1m/39.37inch. Highly recommend professional installation 【Features】 The 3 pin design allows the thermostat to be connected as a normally open or normally closed circuit. The closing temperature is always 15 degrees lower than the opening temperature. The thermostatic dial has Celsius and Fahrenheit markings. 【Package Including】1 Adjustable Thermostat Controller; 1 Mounting Bracket ; 1 Rotary Dial With Temperature Marking; 5 Mounting Screws; 2 Docking Connector ; 1 30A Circuit Breaker ; 2 Female Connector ; 1 40A Automatic Relay ; 1 Large Ring Terminal; 3 Small Ring Terminal ; 1 Wiring Harness Specification: Voltage: 12V Material: PP Metal Size Chart: Package Size: 13.5cmx9.5cmx7.5cm/5.31inchx3.74inchx2.95inch Cable Length: About 1 Meter Package Includes: 1 Set Radiator Fan Thermostat Control Relay Wire Kit Note: Please allow slightly errors due to manual measurement and different monitors.