The outdoor smart siren features Bluetooth Low Energy technology, delivering a powerful 105dB alarm the moment a paired detector senses abnormal activity—effectively deterring intrusions and alerting nearby individuals. Users can customize the alarm duration, while its IP44-rated design makes it ideal for installation under eaves or on exterior walls. With a built-in battery and wireless design, setup is quick and hassle-free, ensuring reliable operation indoors or outdoors for total peace of mind.