Feature: 1. Water flow meter design is compact and lightweight, which is easy to use in the practical life. 2. The water flow meter is used to observe the flow rate of water in the computer water cooling system to prevent the pump from stopping and causing overheating. 3. Standard G1 / 4 inch thread is suitable for most computer cooling tubes or connectors. 4. Made of high quality materials, rustproof and durable, it is entitled with high performance according to strict rule. 5. Using a pointer display thermometer can clearly know the temperature of the water stream. Specification: Item Type: Water flow indicator Thread: General G1/4 Size: Approx. 40.00 mm(L) x 40.00 mm(H) x 25.00 mm(T) / 1.57 in (L) x 1.57in (H) x 0.98in(T) (flow rate part) Size: Approx. 45.89 mm(L) x 25.11 mm(H) x 16.90 mm(T) /1.81 in (L) x 0.99 in (H) x 0.67 in(T) Panel Size: Approx. 47.8(L) x 28.2mm(H) / 1.88(L) x 1.11(H) in (temperature display section) Voltage: 5V-24V wide voltage Connector: Power connector . Package List: 1 x Thermometer1 x Flow Meter2 x Two-Touch Fitting Note: New and old models are shipped randomly.