The "-EC" suffix in your search for the TOMZN TOVPD1-60-EC manual indicates the WiFi version. Without the app, you are only using half the device's features.
: Limits current to prevent circuit damage (adjustable up to 63A). Automatic Recovery tomzn tovpd1-60-ec manual
Shows real-time voltage (V) and current (A). The "-EC" suffix in your search for the
: Combines over-voltage, under-voltage, and over-current protection in one unit. Real-time Monitoring tomzn tovpd1-60-ec manual
Features a built-in voltmeter and kWh display with an optional backlight mode for visibility in dark panels.