This small socket plays a big role in daily life. Using the mobile APP, you can easily control the home appliances by making phone calls and texting, and it makes your home life more intelligent. Features: Learning function: you can learn 5 groups of master numbers, with power-down memory function, you can learn the master number by SMS setting and dialing ringing. Real-time feedback: you can query the status of the outlet by sending a text message to complete the control. The socket is elastic, not loose, effortless, and does not deform for long-term use. You can remotely control your home's electrical equipment by SMS, dial-up or APP software at any time, or check the status of the powered device for an unlimited distance and unlimited time. Widely used in industrial and agricultural applications, home control, station control, etc. Specifications: Material: PVC Color: white Model No.: SC1-GSM Communication: based on GSM network Working voltage: AC 110-250V Working current: ≤16A Maximum load: 2000W GSM frequency: 850/900/1800/1900MHz Working humidity: ≤65% Working temperature: -10~+55 Item size: 113 * 77 * 65mm / 4.4 * 3.0 * 2.6in Item weight: 150g / 5.3ounce Package size: 123 * 87 * 75mm / 4.8 * 3.4 * 3.0in Package weight: 190g / 6.7ounce Package list: 1 * Intelligent Socket