Function: 1. All-in-one solar inverter control device with Wi-Fi module for remote monitoring access 2. The wireless Wi-Fi module enables remote control and monitoring via a mobile application 3. Designed for stable performance, serving as the inverter interface for external communication 4. Primarily used in grid-connected inverters for photovoltaic power generation systems 5. The wireless Wi-Fi module is constructed from ABS material, offering a durable design and extended service life Specification: Item Type: Solar Inverters Wi-Fi Module Material: ABS Applications: Designed for use in grid-connected inverters for photovoltaic power generation Communication Interface: RS232 Applicable Models: SM-3.2KW-24V, SM-3.2KW-48V, SM-5.2KW-48V, MPS-VI1-3500W-24V, MPS-VI1-5500W-48V, VM PLUS-3.5KW-WIFI, VM PLUS-5.5KW-WIFI, VM-3KW (Wi-Fi equipped models only), VM-5KW (Wi-Fi equipped models only), and other compatible Wi-Fi models How to Use: 1. Install the antenna on the Wi-Fi module 2. Connect the top connector of the computer cable to the Wi-Fi module 3. Connect the linking cable to the inverter 4. Verify that all Wi-Fi indicator lights are functioning normally (After successful Wi-Fi connection, all four indicator lights remain steadily illuminated, indicating normal operation) Package List: 1 x Plug 1 x Transmitter 1 x Connecting Cable 2 x Screw 1 x User Manual