1. Remote Control ON/OFF by Tuya APP or Smart Life APP at anytime from anywhere2. active energy kWh measure3. APP can read kWh , R.M.S current , voltage , active (The active current voltage only for A phase, if balance it's all the same for 3 phase)4. Timer control function5. Delay time cut off function6. LCD display, Real-time display of Voltage, Current, Active , reactive , factory ,frequence, Energy kWh7. Frequency: 400imp/kWh8. 35mm Din Rail install9. can use same TUYA APP , compatible with other TUYA product such WIFI socket , led ,fans and so on10. Active energy is class 1 , IEC62053-21 the button last more than 10s , the WIFI led will flash quickly , then use APP to operationNote:This meter Only supports 2.4G Wireless Network, NOT for 5GBrand Name:DIY Supplies:ELECTRICALMeasuring Energy Range:999999.9Display Type:Digital OnlyOutput Voltage:3*120 3*220V 3*230V 3*240V 50-60Hz Number:DTS238-7 Supply:ACPhase:Three PhaseRated Voltage:380VOperating Temperature:-25-70 degree CelsiusAccuracy Class:Class 1Max Operating Current:50A - 79AType: 60Acolor:WhiteMaterial:plasticPackage Contents:1 x WIFI Smart Energy Meter(Different batches, different batch numbers, different barcode positions may not affect)Only the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.