Discover seamless control of your devices with our Dual Channel GSM Remote Control Box, a versatile and efficient solution designed to enhance your remote management capabilities. This relay module is packed with advanced features to ensure security and convenience in operating various electrical appliances. Dual Independent Relay Switches: This device includes two independent relay switches. The first relay can be activated by simply dialing its mobile phone number. The system recognizes the call, rejects it, and activates the connected device without answering, ensuring there are no call charges incurred. SMS-Controlled Switch: The second relay switch can be conveniently turned on or off by sending an SMS to the GSM-CLT-4G number. This feature provides flexible control over connected devices with just a text message. Robust 4G Connectivity: Equipped with a built-in 4G module, the control box works seamlessly over 4G, 3G, and GSM networks, offering reliable performance across various network environments. High Capacity Relay