Features 1、Enhanced Heat Dissipation Efficiency: The solar PV frequency inverter is equipped with a 24V DC cooling fan and an external aluminum heat sink, ensuring optimal heat dissipation performance to maintain stable operating even under heavy usage conditions. 2、Double Layer PCB Design: Featuring a streamlined layout and a double layer PCB design with three proof paint coating, the variable frequency drive offers high reliability and a lower failure rate, guaranteeing long term durability and consistent performance. 3、Intuitive User Interface: The variable frequency drive control inverter is designed with a high brightness red digital display for easy monitoring and operating, preventing user errors and providing a user friendly experience. 4、Secure And Dependable: Incorporating a PC fire resistant and heat resistant plastic shell, along with fully enclosed wiring terminals, the frequency converter prioritizes user security by minimizing the risk of electric shock and ensuring safe and secure operating. 5、Wide Application: This PV pump frequency controller has a wide range of applications and can be used in homes, businesses or industries, commercial buildings, shopping centers, schools and more. It is widely used in solar power generation system. Specification Package List 1 x Frequency Converter 1 x Manual