Features： 1、Stable Performance: The RS232 communication interface of this solar inverse control remote monitoring module is the interface for the inverter to communicate with the outside world. 2、Applicable Models: This module is suitable for PS1K, HPS3K, PS3K, PS3KVA , PS3KVA PLUS , PS5K, MPS VI1 3500W 24V. 3、ABS Material: The shell of the module is made of ABS material, which is well made, wear resistant, and has a long service life. 4、Scope of Use: The remote monitoring module is used to remotely monitor the inverter and control and monitor it remotely through the application. 5、Main Application: This solar inverse control one remote monitoring module is mainly used for solar PV power grid connected inverters. Specification： Item Type: Hybrid Solar Inverter WiFi Module Material: ABS Use: This product is mainly used for solar photovoltaic power generation grid-connected inverter Communication Port: RS232 Applicable Models: For ps1k, hps3k, ps3k, ps3kva , ps3kva plus , ps5k For MPS VI1 3500W 24V For MPS VI1 5500W 48V and other WiFi models Package List： 1 x Hybrid Solar Inverter WiFi Module  1 x Antenna 1 x Connecting Cable 2 x Screw 1 x Instruction