[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]Self-locking, Interlocking, Jog Parameters: LEDs: 3 LEDs(indicate working mode, wifi status, relay on/off status respectively) Supports to control different voltage ranges, Input voltage: AC 85-250V USB5V. Board consumption: Less than 1W Standby current: 80mA Max input current: 10A Max Wattage: 2200W Relay lifespan: ≥ one million times 100M electrical insulation resistance Electric shock voltage: 1000V Relay maximum pull time: 15ms Relay maximum release time: 5ms Working mode: inching /self-locking Wireless Standard: 2.4GHz, 802.11 b/g/n Mobile App: EWeLink on Android/IOS Application: access control, turn on PC, garage door, etc. Computer application: Remote control computer boot Operating temperature: -40 degrees to +70 degrees Operating Humidity 40% - 80% RH Colour:White Material:ABS Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * Smart Switch 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.