Features:A kit for PC water cooling system, consistsof a digital thermometer, a water flow meter, connectors and clamps.3 way water flow meter helps you to monitorthe speed and working states of the water flow.A precise digital thermometer monitorstemperature of the PC water cool system in real-time.4 pin power supply interface, easy toinstall.High-quality and durable, work well in -50~110 temperature.Specifications:Monitoring Range: -50 ~110 degreesVoltage: 5V - 24VInterface: Big 4PScrew Thread: G1/4Upper Panel Size: Approx. 4 * 8cmFlat Plate Size: 4 cm * 8 cmApplicable Pipe: 9mm Outer DiameterThermometer Panel Size: Approx. 47.8 * 28.2mmPackage Size: Approx. 12 * 9 * 3cmWeight: 98gPackage List:1 * Water Flow Meter1 * Thermometer2 * Connectors2 * Clamps.