Thermostat Module 5 - 30 °C Simple low-cost thermostat / temperature controller for various applications. Features-- use for frost protection-- heating controller-- automotive applications (fan control)-- temperature regulated fan control (on/off)-- air-conditioning controller-- preset temperature alarm ( frost alarm)Specifications-- temp. range: 5 to 30°C approx. (41 to 86°F)-- output relay with LED-indicator-- relay power rating : 3A normal open and normal closed contact-- power supply : 12VDC / 100mA-- hysteresis: 1°C ( 1.8°F)-- dimensions: 2.1 x 2.4 x 1.1"