Tuya ZigBee Single-phase Intelligent Wireless Guide Rail Electric Meter for Bidirectional Solar Energy Consumption Measurement Voltage Current Power Detection Mobilephone APP Control Support for Time Date and Alarm Threshold Setting Gateway Needed This is a single-phase electric meter, with LCD display with backlight, support measurement of voltage, current, active power, reactive power, apparent power, active power, reactive power, power factor, frequency. Support to check the power consumption in APP, the maximum overload current is 80A, which can easily load various household appliances. Feature rich, support meter time and date setting, protections threshold parameter setting. Two versions optional, you can choose between Wifi version and ZigBee version depending on your needs. The ZigBee version needs to be connected to gateways(not included). Features: LCD display with backlight, support measurement of voltage, current, active power, reactive power, apparent power, active power, reactive power, power factor, frequency. Support to check the power consumption in APP at any time, can be operated to control the switch.  The maximum overload current is 80A, which can easily load various household appliances. Can be connected to most devices, especially suitable for high-power home appliances. The app monitors power consumption in real time and supports power statistics by hour, day, month and year. Remote control, no matter where you are, you can use your cellphone to remotely control the devices connected to the gateways through the mobilephone APP. Feature rich, support meter time and date setting, protections threshold parameter setting. Support setting the freeze date, the default freeze date of the meter is the 1st of the month and the freeze time of the day is 00:00.2 After resetting the freeze date and time, the meter will automatically reset the date for monthly and daily consumption, and then re-accumulates. The over-current alarm function allows you to set the alarm threshold on the mobilephone application. Two versions optional, you can choose between Wifi version and ZigBee version depending on your needs. The ZigBee version needs to be connected to gateways(not included). Specifications: Name: Electric Meter Material: plastics Type: Wifi version, ZigBee version (optional) Display: LCD display with backlight Input: 85-270VAC, 45-65Hz Output: 85-270VAC, 45-65Hz Rated current: 5A Max current: 80A Power consumption: ＜2W/10VA Maximum power reading: 999999.99kWh /kVarh Working temperature: -25℃ to 55℃ Item size: 100 * 36 * 65mm / 3.94 * 1.42 * 2.56in Package size: 110 * 75 * 45mm / 4.33 * 2.95 * 1.77in Package weight: 232g / 8.18ounce Packing List: 1 * Electric Meter