433MHz wireless solar siren, used with the alarm system. The installation must be at the same level as the home alarm system Sturdy ABS shell, low-power LED, built-in large-capacity battery and high-efficiency solar panel, providing 6-8 hours of solar charging and 30 days of working time 120dB alarm sound, 2-5m detection distance. 12 meters, loud sound and powerful flash will scare away intruders IP65 rugged and waterproof grade, suitable for all weather and outdoor environments, no false alarms Wide coverage, suitable for garages, shops, gardens, homes and other places