1、[Single Phase Energy Meter] This DIN rail WiFi energy meter can be used to measure single phase two wire AC active energy and variable parameters, with switch on off function. 2、[Smart APP Control] This energy meter features WiFi function, allows remote monitoring and control through mobile APP anytime, anywhere. 3、[LCD Backlit Display] The smart power meter is equipped with a LCD backlit screen, displaying voltage, current, power, total kWh in real time. 4、[Flame Retardant] Made of flame retardant PC material, the energy meter is impact resistant, heat resistant, cold resistant, with well insulation effect. 5、[DIN Rail Installation] The smart power meter can be fixed on 35mm standard DIN rail, making it simple and convenient to setup, and easy for maintenance. Item Type: WiFi Energy Meter Material: PC flame retardant Model: DDS6619 Meter Type: Wifi IVAP Frequency: 50 60Hz Rated Current: 5(80)A Limit Voltage Range: 85-300V (L-N) Accuracy: Class 1 LCD Display KWH: 999999.99kwh Start up Current: 40mA (minimum measuring) Voltage Circuit: <2W 10VA Wifi: 802.11b g n, only supports 2.4GHz network, not 5GHz network Relay Control: Meter relay signal output, used for controlling AC contactor switch (Note: The meter has two options: relay function and no relay function) Installation: 35mm standard guide rail Feature: 1. Made of flame retardant material, impact resistant, heat resistant, cold resistant, well insulation effect. 2. Calculate total consumption, visualize energy consumption in real time through mobile phone. 3. LCD screen displays voltage, current, power, total kWh in real time. 4. The measuring switch can adjust 30 time modes and has delay function. 5. Mini compact design, saves installation space, making installation more aesthetic. 6. Can be fixed on 35mm DIN rail, simple and convenient. 7. Remote on or off, easily turn on or off electrical devices anytime, anywhere. 8. Timer function, use countdown timer to turn on or off at specified time. 9. APP remote control, manage connected devices anytime, anywhere through for Tuya or for Smartlife APP. 10. Control the status of home devices anytime through the mobile APP when you are away from home or moving quickly at home. 11. Compatible with voice device. 12. Equipped with LCD display, can be used for over 10 years under normal conditions. 13. With active energy pulse output for calibration, as an isolated OC gate type passive optoelectronic output port, pulse width is 80ms±20ms; waveform is square. 14. With high brightness LED indicator light, providing longer service life. 15. Expand other communication methods through UART communication. 16. Used to measure single phase active power with a nominal frequency of 50 60Hz. 17. Higher integration and strong anti electromagnetic interference performance. 18. Wide operating voltage range, high reliability, long lifespan, high accuracy, and low power consumption. 1 x WiFi Energy Meter 1 x User Manual