Features 1、DIGITAL THERMAL FAN SWITCH FOR 0444: Fan switch kit can be used in 12 or 24 volt applications(if you intend to operate 24V fans you will need to purchase standard 24V relays.) 2、TEMPERATURE RANGE: The electric fan controller kit adjustable temperature range is 104℉ to 230℉(40℃ to 110℃), and can display Celsius or Fahrenheit degrees. The temperature is set by pressing the set button. (LED digital temp display, actual temp and set temp.) 3、WORK SPEED: The adjustable fan controller set can operate 1 or 2 fans. The second fan(if applicable) will start after 10 seconds of fan 1 work. Operate in a hot manner, and also when the air conditioning is running. Circuit type is pre programmed micro controller 4、STABLE PERFORMANCE: Digital heat sink fan switch kit is made of standard material, wear resistant and long lasting. Professional manufacturing bring long service life. Size is 3.75in x 2.6in x 2.2in. Suitable for single and dual fan applications 5、INSTALLATION TIPS: The dual electric fan controller kit as supplied with a sensor designed to be placed between the vehicles heat sink fins, an adapter kit is required to allow the sensor to be fitted into a coolant hose Specification Item Type: Digital Fans Controller Material: ABS Voltage: 12V Maximum Touch Current: 40A Coil Resistance: 90Ω Relay Setting: Dual relay Sensor Wire Total Length: Approx. 142cm / 55.9in(switch wire approx. 112cm / 44.1in + sensor connector approx. 30cm / 11.8in) Speed: Single speed, second fan start 10 seconds after Application: For single and dual fan applications Screen Display: LED digital temperature display, actual temperature + set temperature Temperature Display: Celsius or Fahrenheit Temperature Setting: 40℃ to 110℃(104℉ to 230℉) Temperature Setting: Key Circuit Type: Pre programmed microcontroller Size: Approx. 9.5 x 6.6 x 5.6cm / 3.75 x 2.6 x 2.2in Package List 1 x Digital Fan Controller 2 x Screws 2 x Terminals 2 x Terminal Protectors 3 x Washers 2 x Adhesive Pads 3 x Accessories