Renogy Monitor Voltmeter Ammeter Black &

Communication port: Simply connect to the smart lithium iron phosphate sensor via an RJ45 communication cable to monitor its information. Accurate observation: You can read the information accurately. Error display: When an error occurs, it will be displayed on the LCD screen so you can respond immediately. Easy to use: View detailed system information with the touch of a button. The backlight can be adjusted to 8 levels of brightness.