1. Real-time power consumption monitoring: Real-time tracking of power consumption, helping users to effectively manage energy use. 2. Comprehensive alarm system: Provides overcurrent, overvoltage and undervoltage alarms to circuit safety. 3. Relay status setting: Supports on, off or restart memory mode, allowing you to select the default state of the device after restart. 4. App remote control and adjustable alarm threshold: Remote management and personalized alarm settings are achieved through the APP, and power safety is controlled anytime, anywhere. 5. Fire-retardant shell and 40A load support: Provides excellent safety protection and up to 40A current carrying capacity, suitable for a variety of application scenarios. Reference voltage: 220V, 230V Specified working voltage: 90%Un-110%Un Extended working voltage: 80%Un-115%Un Current specification: 6-40A Frequency range: (50-60)Hz Power consumption: Voltage line:Less than 1.5W.6VA Communication method: WiFi Working temperature: -20-70 Working humidity: 95% Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: White Material: PC Package Contents: 1 x Smart Circuit Breaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.