Application: Home appliance management, remote control of appliances when going out, management of rental appliances, use of industrial control equipment, and intelligent upgrading of power distribution equipment. Features: Photovoltaic bidirectional metering function. Rail installation, convenient and quick. Intelligent chip, LCD digital display screen, accurate and clear display, more convenient reading, and long lifespan. Powerful, integrating multiple functions such as timer, overvoltage/undervoltage protector, circuit breaker, watt-hour meter, temperature controller, remote control switch, voltmeter, ammeter, etc. It can be connected to a mobilephone for wireless remote control, and there is no need to worry about the electrical situations at home during business trips. Specifications: Main color: white Current: max. 100A Frequency: 50/60Hz Item size: 89 * 77 * 77mm / 3.5 * 3.0 * 3.0in Item weight: 266g / 9.4ounce Package size: 100 * 85 * 85mm / 3.9 * 3.3 * 3.3in Package weight: 290g / 10.2ounce Packing List: 1 * Intelligent Photovoltaic Meter