Operating voltage:DC12V can work in 9-14V range Fan interface:2510-3P bend (pin spacing 2.54mm) Fan current:Less than 0.8A for ProtectionInput reverse connection protection Click the button switch to upshift and double click the downshift No output overload for protection!!! Please note that the output should not be short circuited or overloaded Drive output range 5% -100 part fan low output may not turn,please adjust the fan can start the use of position Operating temperature:-20 Celsius to 60 Celsius Temperature probe parameters:NTC 50K B=3950 Probe temperature:Small black for head 120 degrees Ring probe 110 Celsius Fan interface extends 8mm Setting parameters default factory Low speed 20%. Acceleration temperature 30 Acceleration width 5 Do not shut down the output At 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 minutes Size: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 bid Due 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 controler 1x Probe