Versatile Function with 3 Modes: This switch has a learning button to reset or relearn the code, and provides three operation modes to meet various requirements: point dynamic, self-locking and interlocking, which enhances its adaptability Easy Installation and Operation: Setting up this wireless switch is a breeze - just connect it between the power source and the device. Enjoy the convenience of remote operation Excellent Signal Penetration: The remote control switch adopts 433MHz frequency, which has excellent signal penetration and is to pass through floors and doors, maintaining reliable control of devices from a considerable distance Highly Versatile Control: This 433MHz wireless remote control switch is ideal for a variety of applications such as remote operation of , doors, and lighting systems Wide Range of Applications: From lighting systems and motors to fans and dust collectors, this remote control switch is suitable for a variety of applications. It is also suitable for wireless security alarms, door alarms and other remote control systems, Manufacturer: Akfldms