1、Audible and Visible from Far Away - The horn sound is 110db, can be heard from 1000m away, and the flash strobe lighting can be seen from 1000m. 2、Motion Activated - Sensitive motion sensor will detect any movement within 5-8 meter and activate the sound light alarm, sound arise and strobe light on. Come with motion detector,not only for people but also animals. 3、Solar Charging and Long Working Hours - After fully charged under sunlight, the sound alarm can work for about 30 days. No worry run out of power. 4、Wide application: Just hang solar strobe alarm where get enough sunlight. The wireless motion sensor strobe light is suitable for the safety of residential house, farm, villas, hotels, markets, boarding house and other places where requiring security alarm. 5、Package Included: Includes 1 x Alarm, 1 x USB Cable. Charging time: solar: 8 hours, DC: 1 hour.