Material: Made from metal materials, this water flow indicator ensures long-last performance and reliability in your water cooling system Easy Installation: With its simple yet practical design, this flow indicator is easy to install into your water cooling setup. Its compact size ensures it fits seamlessly while offering long-last durability Efficient Flow Monitor: Designed to monitor the water flow speed in your cooling system, this device helps prevent overheating by alerting you if the pump stop working Enhanced Cooling Efficiency: Featuring an 8-blade impeller design, this liquid cooling fan flow meter significantly boosts the cooling efficiency of PC water cooling systems Compatibility: It is widely suitable for most computer cooling tubes and connectors, making it a versatile addition to your setup Specification: Material:Metal Size Chart: Type A: Length: 4.1cm/1.61inch,Diameter: 0.6cm/0.24inch Type B:Length: 4.1cm/1.61inch,Diameter: 0.8cm/0.31inch Package Includes: 1 Piece Water Flow Indicator Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 344 hours Hope you have a pleasant shopping experience!