Fangrui Product Details 1. 3pin Interface: This Pc Water Cooling Meter Adopts Small 3pin Interface, Connecting To Fan Interface. 2. Speed Observation: This Computer Water Meter Helps You Observe The Speed And Working Status Of Water . 3. G1/4 Thread: This Pc Water Meter Indicator Adopts Standard G1/4 Thread That Is Suitable For Most Computer Cooling Pipes Or Connectors. 4. Material: This G1/4 Thread Water Meter Is Made From Rustproof And Acrylic Material, Which Ensures Long Service Life. 5. Lcd Display: This Pc Water Cooling Meter Features Va Lcd That Provides 0.5s Refresh Rate. Item Type: Pc Water Cooling Flow Meter Monitoring Range: 0 To 99voltage: 12v Interface Type: Small 3pin Colour:black Material:pom+aluminum Alloy Package Contents: 1 X Pc Water Cooling Flow Meter(due To Different Product Batches, The Appearance May Vary, Which Does Not Affect The Use) Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little