Intelligent Management: This SONOFF Basic R4 WiFi Smart Switch gives you a magical control over your home appliances anytime, anywhere via eWeLink App. Convenient and functional for a more efficient home. Work with Alexa and Google Home: The smart switch is compatible with Alexa and Google home, enabling voice control directly. Your home automation is now more sophisticated and fun. Remote Control: Get full control of your devices with this Remote Controller Smart Switch. Whether you are at home or out, you can control the switch of the electrical devices and monitor the status in real time. Diverse functions: Schedule your switch to automatically power most electronics on or off as needed, like setting lights to come on at time you back home. It supports timing, countdown and loop timing functions, adding more convenience to your life.<br><br>Input:100-240VAC50/60Hz Output:100-240VAC50/60Hz Max.power:2400W@240V Working temperature:-10°C~40°C Wi-Fi:IEEE 802.11 b/g/n 2.4GHz Material: PC colour: White<br><br>Package Contents: 1 x Smart Switch Relay Module 1 x English manual<br><br>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.