Simultaneously displays electric, current, active power, energy, frequency, and power factor on 1 screen with 1% ±2 digits accuracy Ideal for home power distribution and equipment debugging, providing comprehensive electrical parameter tracking Measures 40 300 electric and 0 100A current, supporting up to 30kW ( 22kW home compatible) load Works with built in / external current power converter for flexible single phase 220V applications Designed for direct mounting in house electrical switches boxes with simplified wiring ( supports live wire threading or external CT connection) Fits standard track setups without complex modifications Accurately records kWh usage with 1 total RESET function for device / house energy analysis Enables power management to optimize electricity efficiency Features a 178° wide angles color screen with clear parameter differentiation and flat industrial design Ensures readability even in bright light for easy post installation, Manufacturer: Oxxggkao