Function: 1. Remote control at anytime from anywhere 2. Schedule/Timer/loop timer 3. Energy monitoring 4. Under voltage protection 150V-190V (adjustable) (default: 170V) 5. Over voltage proteciton 250V-300V (adjustable) (default: 270V) 6. Over current protection 1A-63A (adjustable) (default: 63A) 7.Electric leakage protection:10-99mA 8.Preset current/voltage threshold values by app,Once the real-time/current/voltage reaches the threshold values,The connected electrical appliances will be turned off automatically Parameters: Rated Supply Voltage:AC 220V Operation Voltage Range:AC80v-400v(single phase) Electric Leakage Protection:10-100mA(This feature can be turned off) Error:2% trip delay:0.5s Reset/Start Delay:5s-90s Voltage Measurement Accuracy:1%(Not exceeding 1% of the overall range) Rated Insulation Voltage:400V Output Contact:1NO Operating Temperature:-30C~70C Power Display Range:0-99999.9kw/h : ELECTRICAL Display Type: Digital Only Model Number: TY63A BLUE Power Supply: AC Phase: single phase Dimensions: 37 x 85 x 65mm color:White Material:plastic Package Contents: 1 x Smart WIFI Energy Meter 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.