Description 1. Remote control at anytime from anywhere 2. Schedule//loop 3. Energy monitoring,Set power unit price ,can caculate house device power consumption, Download data to sheet 4. Preset power/current/voltage threshold values by app, Once the real-time power/current/voltage reaches the threshold values, The connected electrical appliances will be automatically turned off 5. Working Voltage: AC 90-300V 6. Mechanical Life: Over 100000 Times 7. Working Temperature: -25-70 8. Please noted this product work with app TOB9e-M Function: Remote on/off Time control function Relay last status Voltmeter Ammeter Power meter Active power Over voltage protection Under voltage protection Over current protection Over power protection Set power unit price Colour:White Material:PC Package Contents: 1 x Smart 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.