Characteristics: 1.Maximum current 80A direct access, 85 to 270 Vac (L-N), 85 ~ 480 Vac (L-L); 2.Real Time Monitor Voltage, Current, Power for each phase and total KWh consumption on App 3.Electric Statistic: daily monthly and yearly KWh; 4.Remote Control Relay ON OFF 5.Support one pulse optocoupler outlet interface, can set pulse output parameter. 6.Support Modbus RTU. 7.DIN rail mounting; 8.Big LCD screen with backlit, backlight lighting time adjustable. 9.LCD refresh time is 1 second, support manual or automatic scroll display (configurable). -Tuya Smart Life wifi 3 Phase Bidirectional Meter 80A Support Modbus Can Monitor Consumed and Generated KWh for Each Phase on App Specifications: Mechanical Characteristics Dimensions (W X H X D)126 x 98 x 80 mm Mounting Position DIN Rail mounting Material of meter case UL 94 V-0 Environmental Characteristics Operating Temperature -25 to +55 Storage Temperature -40 to +80 Humidity Less than 90%, non-condensing Pollution Degree 2 Altitude Up to 2000m Vibration 10 Hz to 150Hz, IEC 60068-2-6 Electromagnetic Characteristics Electrostatic Discharge Level 4, according IEC 61000-4-2(1) Immunity to Radiated Fields Level 3, according IEC 61000-4-3(1) Immunity to Electrical Fast Transients Level 4, according IEC 61000-4-4(1) Immunity to Surges Level 4, according IEC 61000-4-5(1) Immunity to Conducted Disturbances Level 3, according IEC 61000-4-6(1) Immunity to Magnetic Fields IEC 61000-4-8(1) Immunity to Voltage Dips IEC 61000-4-11(1) Radiated Emissions Class B, according EN55011 Conducted Emissions Class B, according EN55011 Harmonics IEC 61000-3-2(1) Color: White Material: plastic Package Contents: 1 x WiFi 3 Phase Bi Direction Energy Meter(Due to erent product batches, some silk screens on the product may be different, which does not affect the use) 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.