Features 1、STABLE LONG RANGE TRANSMISSION: With a maximum stable transmission distance of 10m in open environments, our BT relay module ensures reliable and uninterrupted communication between your smartphone and the device you want to control. 2、WIRELESS CONTROL: Our BT relay module allows you to wirelessly control the power on and off functions of your devices from anywhere, providing convenience and flexibility in managing your appliances or equipment. 3、SEAMLESS SMARTPHONE INTEGRATION: The module is seamlessly integrated with a smartphone app, allowing easy BT connection and control. The mobile app is user friendly, enabling effortless configuration and operation of the relay module. 4、VERSATILE COMPATIBILITY: The BT relay module is compatible with various devices and appliances, making it a versatile solution for home automation, IoT applications, and industrial control systems. Connect and control multiple devices simultaneously with ease. 5、ENHANCED CONVENIENCE AND EFFICIENCY: With our BT relay module, you can eliminate the need for physical switches or remote controls. Control your devices directly from your smartphone, saving time and effort while enhancing overall convenience and efficiency in managing your devices. Specification Item Type: BT Relay Module Material: PCB Control Distance: Approx. 10m / 32.8ft (open environment) Application: 5V dual channel BT relay module contains 2 channel 5V 10A relay module and SPP C BT serial port slave module, which can send instructions to control the switch of relay through mobile APP. Package List 1 x Module