[Multiple Intelligent Alarms Modes]Solar security offers four flexible modes: 24-hour sound and light alarms, night sound and light alarms, night flashing silent alarms, and alarms off mode. Easily switch settings to suit villas, shops or barns, protecting home security and business property with targeted, efficient deterrence. [Wide Detection Range & Loud 100 dB Alert]Infrared driveway alarms covers up to 110° with a 16-39 ft detection distance, influenced by height and ambient light. Once triggered, it emits a ≥100 dB and bright red strobe, providing early warning, strong visual deterrence, and wide-area coverage for yards, warehouses, crossings or barns. [Dual Charging Design & Long Battery Life]This solar motion sensor alarms supports both solar and USB charging for flexible use. Solar charging needs about 5+ hours of direct sunlight daily, while USB charging fully powers in 4-5 hours. A built-in 1000mAh polymer lithium battery aerospace-grade ABS shell ensure long-term stable outdoor performance. [Durable, Weather-Resistant & Multi-Sound Design] this outdoor alarms reliably withstands harsh environments. It offers 14 cycling sound effects, as shown in the main video, effectively deterring intruders and animals, reminding passersby of potential dangers and helping maintain public order and safety. [Easy Installation & Versatile Outdoor/Indoor Use]Simply hang the motion sensor alarms on posts, walls, trees or fences without complex wiring. Ideal for house, farm, barn, garage, villa, garden, chicken coop, livestock yard, hotels, factories, schools, orchards and more, providing convenient, solar-powered security wherever monitoring is needed. Technical Parameters ·External power supply voltage: DC9~12V ·Solar panel output voltage: 5.0V ·Standby current:＜1mA ·Alarms current:＜150mA ·Alarms sound pressure: >100dB ·Wireless receiving distance: >100 meters (in open space) ·Wireless frequency: 433MHz ·Waterproof grade: IP65 ·Backup battery: 3.7V