Multiple Working Modes – Outdoor Alarm Siren: 24-hour sound and flash alarm, 24-hour flashing with silent mode, sound and flash at night, or silent flash at night. Sensitive Motion Detector & Loud Siren: Motion sensor solar strobe light with 9-12 meters detection range, 110-degree sensing angle, 120dB alarm, and 8LED bright flashing light visible up to 1500m; the outdoor motion alarm can be heard from up to 1800m away. Sturdy Construction & Waterproof Design: Upgraded outdoor motion sensor alarm with IP65 waterproof rating, ABS durable casing, and smart solar strobe light suitable for all weather conditions and outdoor environments, designed to prevent false alarms. Wide Application: Outdoor motion sensor alarm ideal for homes, farms, barns, garages, yards, villas, hotels, factories, schools, orchards, and other locations requiring security protection. Long-Lasting Operation: Solar-powered motion sensor alarm; fully charged in 6-8 hours of sunlight and operates for approximately 30 days on a full charge.