Remote Control Relay, EU Plug, Stable Wired Control Switch, High Sensitivity, Anti-interference, Robust for Security Fields

1. Remote Control: This GSM door opener with a remote on/off switch can be used to authorize calls for free and can be operated from anywhere, regardless of distance. 2. Compact and Portable Design: The smart relay switch is designed for portability and ease of use. Its compact design makes it ideal for use anywhere. 3. Wide Application: It can be used in industrial control and security applications, such as lights, motors, remote controls, wired security alarms, wired access alarms, wired controllers, etc. 4. Smart Control: The smart relay switch is designed to work with smart home devices, enabling voice control and integration with other smart home platforms. 5. Versatile Voltage Support: The smart relay switch supports voltage inputs from 100 to 240V, making it compatible with a wide range of electronic devices. Specifications: Item Type: Relay Switch Plug: European Plug 100-240V 4G Frequency: B1 / B3 / B5 / B7 / B8 / B20 GSM Frequency: 900 / 1800 MHz SIM Interface: Standard SMA Interface Output: Normally Open and Normally Closed Package List: 1 x Relay Switch 1 x Manual 1 x Signal Receiving Cable 1 x Plug