Please noted, this TUYA wifi energy meter will update the Kwh data when disconnect with wifi, other type Metering circuit breaker will not increase the Kwh when discounnect with wifi.1. Remote Control ON/OFF by Tuya APP or Smart Life APP at anytime from anywhere. 2. active energy kWh measure. 3. APP can read kWh , R.M.S current , voltage , active 4. Timer control function. 5. Delay time cut off function. 6. LCD display, Real-time display of Voltage, Current, Active , reactive , factory ,frequence, Energy kWh7. Supply: 90-300V AC 50/60Hz. 8. Rated Current: 65A. 10. Pulse Frequency: 1600imp/kWh11. 35mm Din Rail install. 12. can use same TUYA APP , compatible with other TUYA product such WIFI socket , led ,fans and so on. 13. Active energy accurate is class 1 , IEC62053-21Push the button last more than 10s , the WIFI led will flash quickly , then use APP to operationbear 400V /hour not damageNote:This meter Only supports 2.4G Wireless Network, NOT for 5GNEW function:1. Positive and negative phase + historical 2. email export function3. PV difference display4. Electricity bill display5. Carbon emissions settings6. Note that there is no temperature display, leakage protection, unbalance protection function, external failure, the meter will not be switched off for protection7. Manual button switch control8. The function of comparing the with the of the meter9. curve display every 15 minutes for 24 hours of the day 10. Overvoltage and overcurrent protection settings11. Operation records and failsafe records12. Password protected settingscolor: WhiteMaterial: plastic + metalPackage Contents:1 x WIFI Smart Energy MeterOnly the above package content, other products are not included.Note: Light 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.