All our smart home products use  Global Server, which is very stable and easy to access. As long as your smart phone has 2G/3G/4G/WiFi network,  you can control all your home appliances in your palm from anywhere at any time. 
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<br />Description 
<br />Rate Voltage: 100-250V 
<br />Power Adapter: Without Power Adapter 
<br />Features: Control mode: Mobile APP; 
<br />Transmission mode: Wi-Fi communication;  
<br />Controlled lines: 1;  
<br />Control distance: infinity; 
<br />Power: 10A/2200W;  
<br />Platform: Android, iOS; 
<br />Working temperature: 0-55 degree 
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<br />Parameter selection 
<br />5pcs Sonoff smart switch 
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<br />Features 
<br />- Support WiFi network. 
<br />- Support status tracking, home appliances status timely feedback to your App. 
<br />- Support remotely turn on or off added devices. 
<br />- Support Max 8 timing tasks for each added device. 
<br />- Support numerous WiFi smart switches one smart phone. 
<br />- Easy installation, easy handling and can be activated immediately and stably.