This is the finest made temp Sensor fitting we have ever offered! This is a special stop fitting that can be used to measure the temperature of your water cooling loop by fitting in any G 1/4\" threaded port in your reservoir or block with an extra port for installation. Learn the name; Bitspower Premium water cooling products!Features:Special Design for PC Water Cooling Temperature DetectFit All Temperature Display DevicePerfect Surface treatmentHidden O-Ring DesignSpecifications:Material : Hi Quality Brass with Black Sparkle coating Thread : G1/4\"Temp. Range : -30 - 105CWire Length :900MMSingle : 2-PINs