Solar powered outdoor strobe siren with sound and light alarm function, no electricity cost, energy-saving, eco-friendly and safe for your family Smart alarm: built-in PIR human body infrared sensor, when the intruder enters the sensing area, the device will send out a 120 decibels audible alarm and light flashing visual alarm, threat and prompt. -It can intelligently recognize the repeated shaking of characters and reduce misjudgment. Digital design and judgment, zero false alarm -The patented Fresnel lens is used to effectively overcome the false alarm caused by sunlight interference. The whole waterproof patent structure is easy to install without debugging and wiring -The mode of flashing in dangerous area and -Alarm modes are supported: 1. 24-hour audible and luminous alarm mode; 2. 24-hour flash no sound alarm mode; 3. Intelligent judgment of sound and light alarm mode during the day and night; 4. Silent alarm mode at night; 5. Flashing warning in dangerous area