This is a wireless burglar alarm gateway that can add various detectors to maintain home security.

This is a PIR motion detector. When an intruder is detected in the armed state, it will trigger an alarm and connect to the host via wireless signal.

This is a wireless door/window sensor. When in the armed state, illegal intrusion will trigger an alarm and connect to the host via wireless signal.

This is a wireless smoke detector that triggers an alarm when smoke is detected and connects to the host via wireless signal.