The 11-in-1 smart protector has one product, multiple functions, and can replace more products: No need for leakage switches, , over- and under-voltage protectors, circuit breaker meters, thermostats, remote switches, voltage ammeters, and contactor heaters. Relays, power meters, etc Large-screen LCD display: An extra-large LCD screen is used. Large screen and large fonts make the measurement results clear at a glance Tuya WIFI smart connection eliminates the need for on-site viewing. You only need to turn on your mobile phone to connect to the wireless connection to view the data, which is convenient and fast Flame-retardant material: The outer shell is made of thickened ABS flame-retardant shell to avoid fire hazards caused by overloading of the meter Rail-type single-phase WIFI reclosing protector Tuya wifi intelligent control/10 alarm protection mechanisms Mobile APP real-time data sampling Current specification:5(80)A Maximum current:100A Number of phases:single phase Measurement function:UI prepaid Product type: Electronic power meter Display mode:LCD display Test frequency:50Hz Current multiplier:50 Basic current:5A Colour:White Material:Flame retardant ABS Package Contents: 1 * Electricity Meter 1 * Instructions in Chinese and English 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.