The DS-PM1-O1H-WE Wall Switch features 868MHz two-way wireless communication and AES-128 encryption for secure data transmission. It has an LED display that shows the status of the device and relay on/off display. The switch’s small case design allows it to be easily hidden. It supports automation operations, enabling one-button turn on/off from the app, keyfob, or keypad. The switch allows setting scenarios by different events, providing versatile and efficient control.