Feature: 1. Learning function: You can store up to 5 master phone numbers. With power-down memory, the device retains settings and allows configuration via SMS or phone call. 2. Real-time feedback: Send an SMS to check the outlet's status and complete monitoring remotely. 3. The socket sleeve is elastic, secure, and maintains its shape for long-term use. 4. Remotely control home electrical devices anytime via SMS, phone call, or mobile app. Monitor device status from any location with no time restrictions. 5. Expand your smart home setup: This compact socket enhances daily convenience. Control appliances remotely via SMS, dial-up, or app software, and monitor connected devices anytime, anywhere, making your home more intelligent. Specifications: Material: PVC Color: White Model Number: SC1-GSM Communication: GSM network Working Current: 10A Maximum Load: 2000W GSM Frequency: 850/900/1800/1900MHz Operating Humidity: 65% Operating Temperature: -10C to +55C Product Dimensions: 113 x 77 x 65mm (4.4 x 3.0 x 2.6 inches) Product Weight: 150g (5.3 ounces) Package Dimensions: 123 x 87 x 75mm (4.8 x 3.4 x 3.0 inches) Package Weight: 190g (6.7 ounces) Package List: 1 x Smart Socket