The DS-PM1-O1L-WE Relay Module features 868 MHz 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 module’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 module allows setting scenarios by different events and includes an alarm input for tamper, NO, and NC.