Operating voltage:DC12V can work in 9-14V rangeFan interface:2510-3P bend (pin spacing 2.54mm)Fan current:Less than 0.8Afor ProtectionInput reverse connection protectionClick the button switch to upshift and double click the downshiftNo output overload for protection Please note that the output should not be short circuited or overloadedDrive output range 5% -100 part fan low output may not turn,please adjust the fan can start the use of positionOperating temperature:-20 Celsius to 60 CelsiusTemperature probe parameters:NTC 50K B=3950Probe temperature:Small black for head 120 degreesRing probe 110 CelsiusFan interface extends 8mmSetting parameters default factory Low speed 20%.Acceleration temperature 30Acceleration width 5Do not shut down the outputAt this temperature setting,holding the probe with the for palm of the hand will accelerate in a few minutes.If the probe is clamped into the armpit,it will reach full speed in 2 minutesSize:4.9x1.8cm/1.93x0.71inch Note:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bidDue to the difference between different monitors, the picture may not reflect the actual color of the item.Thank you Package Includes:1x for DC 12V Temperature Speed controler1x Probe