Feature: 1. WIFI Smart swith and energy meter is mainly used to quickly cut off the supply when personal electric shock or electric leakage occurs, to personal safety and prevent electric shock. Some leakage protectors also have overload and overvoltage protection, which are used to and the motor infrequently.2. Remote control at anytime from anywhere through the for iOS/Android APP. Schedule/Timer/loop timer3. Energy monitoring,Set unit price ,can calculate house device consumption4. Overload protection, Over voltage protection, Over current protection5. Preset /current/voltage values by app,Once the real-time /current/voltage reaches the values,The connected electrical appliances will be automatically turned off.Warmly Notice63A is only rated current, working current can be set in APP according to your need, current setting range: 0.1-500A, voltage can be set: 0.1-1000V, setting range: 10-500KVNoticeThis product only support Upper input, under output.Material: Plasticcolour: WhitePackage Contents:1 x WIFI Smart Energy MeterOnly 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.