1. The original intention of this solar siren is a wireless 433 outdoor solar intrusion infrared sensor sound and light alarm. When an intruder enters the sensing area, this device will emit a sound and light alarm higher than 120 decibels. Alarm threat and prompt, detection distance 9 12 meters, intelligent identification of people repeated shaking judgment, flashing prompts in dangerous areas, and day and night alarm modes. 2. Intelligent mode, support 4 major alert modes and wireless accessory linkage alarm; first, learn detector and remote control mode; second, delete detector and remote control mode; third, 24hour alert mode, with sound and light; four, 24hour mute Mode, light and silent; five, intelligent judgment, no alarm during the day, and enter the alert state at night 6, antidisturbance mode, silent alarm at night 3. Convenient installation, this solar siren has a waterproof structure throughout the entire process, easy installation, no need for debugging and wiring, thickened shell, durable and sunproof, saving you installation troubles, onetime installation, safe and comfortable. 4. Efficient use, this product can stand by for 60 days in no sun, automatically recognizes night alert mode, does not work during the day, and intelligently recognizes people continuously interfering with alarm power consumption; when someone is always there, the device does not work, saving power. 5. No matter how the temperature difference changes, the detection distance is kept 912 meters, and different use scenarios can intelligently identify pet interference and false alarms, the Fresnel lens is used to effectively overcome the false alarms caused by sunlight. Let you feel smart life when you use it, and enjoy a safe and accurate life.