You can use APP or messages to the GSM switch to control the electrical appliances.<br> The device supports the 900/1800 frequency bands which is used in Europe.<br> You must enter password if want to operate and control it, safety.<br> Socket control type: SMS /APP/Button<br> Built-in microcomputer chip; it works in any places with GSM/4G.<br> Full of power off memory function to electrical appliances continue to work after outages.<br> Built-in GSM antenna; easy carrying.<br> Working range is within 110V-220V AC voltage, can not be used in cars, or other voltage environment.<br> Great to control home and industrial electric appliances, like , water pump, air-conditioning, electric doors, lights, etc.<br> Input voltage:110-250VAC<br> Rated Current:16A<br> Temperature:-40 - +110℃<br> Power fail alarm<br> Application:<br> Wireless remote water pump.<br> Control the rice cooker in the office.<br> Wireless control lights, fans.<br> Wireless control power, audio and other equipment.<br> Feeding the family pet via the GSM switch.<br> Other household or industrial control applications.<br> Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.<br> Voltage:AC220V<br> Specifications:A:SC1-WLTE-TVCX<br> Color:As Shown<br> Material:plastic<br> Package Contents:<br> 1 * Smart Plug<br> Only the above package content, other products are not included.<br> 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.