[APP Remote Control]Use the EWELINK App to control your device on and off from anywhere with your phone.[RF433mhz Control]The device can be controlled by the RF433mhz Remote Controller.(Learning Code)[Voice Control]You could voice control the device by Alexa/Google Assistant.[Smart Linkage] Intelligent linkage with other EWELINK smart devices[Timing function]Lying in bed without turning off the lights fell asleep, it does not matter, the wall switch timing function to the point of turning off the lights, from the lights off do not worry about.[Three Working Modes]Selflocking, Interlocking, JogParameters:LEDs: 3 LEDs(indicate working mode, wifi status, relay on/off status respectively)Supports to control different voltage ranges, Input voltage: AC/DC 732V USB5V.Board consumption: Less than 1WStandby current: 80mAMax input current: 10AMax Wattage: 2200WRelay lifespan: one million times100M electrical insulation resistanceElectric shock voltage: 1000VRelay maximum pull time: 15msRelay maximum release time: 5msWorking mode: inching /selflockingWireless Standard: 2.4GHz, 802.11 b/g/nMobile App: EWeLink on Android/IOSApplication: access control, turn on PC, garage door, etc.Computer application: Remote control computer bootOperating temperature: 40 degrees to +70 degreesOperating Humidity 40% 80% RHColour:WhiteMaterial:ABSTips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UsePackage Contents:1 * Smart SwitchOnly 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 +/ 13cm.