Feature: 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 104to 230(40to 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: 90 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: 40to 110(104to 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