Motion Activated: The sensitive motion sensor detects any movement from 5 to 8 meters and activates the sound alarm, the sound is triggered and the strobe light. Comes with motion sensor, not only for people but also animals. Solar Charging & Long Working Hours: After fully charged under sunlight, the sound alarm can work for about 30 days. Don't worry about running out of power. Audible and Visible from a Distance – The horn sound is 110 dB, can be heard from 1000m, and the strobe light can be seen at 1000m. Wide Application: Simply hang the solar strobe alarm where it receives enough sunlight. The wireless strobe light with motion sensor is suitable for the security of residential houses, farms, villas, hotels, markets, houses and other places that require a security alarm.